while x = gets
        t = []
        x = x.to_i
        p = Math.sqrt(x)
        p = p.to_i
        w = x % p
        if w == 0
                n = 1
        else
                n = 0
        end
        i = 1
        while i<= p
                if x % i == 0
                        t = t.push(i)
                        puts i
                end
                i = i + 1
         end
         d = t.length + 1
         i1 = d - 1 - n
         puts d
         print t
end

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MjQ=

24