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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. // zdefiniuj funkcję
  6. int suma_dzielnikow(int n) {
  7.     int suma = n + 1;
  8.     for (int i = 2; i <= sqrt(n); i++) {
  9.         if (n % i == 0) {
  10.               suma += i;
  11.               if (i != n / i) suma += n / i;
  12.               }
  13. }
  14. return suma;
  15. }
  16.  
  17. int main() {
  18.     // sprawdź działanie funkcji
  19.     cout << suma_dzielnikow(7) << " " << suma_dzielnikow(16) << endl;
  20.     return 0;
  21. }
Success #stdin #stdout 0s 5272KB
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stdin 
Standard input is empty
stdout 
8 31
https://ideone.com/8Xn3nT
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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