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"https:// planetcalc.com/5992/"
 
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X: 500000 300000 200000 100000 90000 80000 50000 30000 20000 10000 9000 8000 5000 3000 2000 1000 900 800 500 300 200 100 90 80 50 30 20 10 9 8 5 3 2
Y: 110204461 61554277 38741939 17544061 15541741 13570223 7890061 4344083 2700767 1195153 1050817 910523 510383 271463 165133 68507 60637 52861 28921 14593 8543 3217 2879 2341 1187 479 263 59 47 37 11 5 5
 
Approx: 3,52223573947584434052 * X^{1,36716990543680272374}
 
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X: 41538 25997 17984 9592 8713 7837 5133 3245 2262 1229 1117 1007 669 430 303 168 154 139 95 62 46 25 24 22 15 10 8 4 4 4 3 2 1
Y: 110204461 61554277 38741939 17544061 15541741 13570223 7890061 4344083 2700767 1195153 1050817 910523 510383 271463 165133 68507 60637 52861 28921 14593 8543 3217 2879 2341 1187 479 263 59 47 37 11 5 5
 
Approx: 8,50931609146378775677 * pi(X)^{1,63072997225723437253}
 
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X: 1, 2..60000
Y: f(1), f(2)..f(60000)
 
Approx: 16.54552878372426150122 * X^(16.54552878372426150122)
 
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X: 1, 2, ..., 1000000
Y: f(1), f(2), ..., f(1000000)
 
Approximation Function: f(x) =   30.0311573477977 * x ^(1.15179813501982)
 
Function Errors: 0.8801%
Sigma_error_value_down       = -632317525294.670187473297119
Sigma_error_value_up         = 160552073986.736150115728378
Sigma_error_value            = 792869599281.406356334686279
Average_error_value_down     = -632317.525294670187463
Average_error_value_up       = 160552.073986736150118
Average_error_value          = 792869.599281406356340
Sigma_error_percent_down     = -455103.830169585029580%
Sigma_error_percent_up       = 424983.297850141799643%
Sigma_error_percent          = 880087.128019726870320%
Average_error_percent_down   = -0.455103830169585%
Average_error_percent_up     = 0.424983297850142%
Average_error_percent        = 0.880087128019727%
 

prog.cpp:8:11: warning: integer constant is too large for its type
 Approx: 3,52223573947584434052 * X^{1,36716990543680272374}
           ^~~~~~~~~~~~~~~~~~~~
prog.cpp:8:39: warning: integer constant is too large for its type
 Approx: 3,52223573947584434052 * X^{1,36716990543680272374}
                                       ^~~~~~~~~~~~~~~~~~~~
prog.cpp:15:11: warning: integer constant is too large for its type
 Approx: 8,50931609146378775677 * pi(X)^{1,63072997225723437253}
           ^~~~~~~~~~~~~~~~~~~~
prog.cpp:15:43: warning: integer constant is too large for its type
 Approx: 8,50931609146378775677 * pi(X)^{1,63072997225723437253}
                                           ^~~~~~~~~~~~~~~~~~~~
prog.cpp:1:1: error: ‘https’ does not name a type
 https://planetcalc.com / 5992/
 ^~~~~
prog.cpp:10:1: error: expected unqualified-id before ‘--’ token
 -----------------------------------------------------------
 ^~

Standard output is empty