Cod sursa(job #2494526)

Utilizator iancupoppPopp Iancu Alexandru iancupopp Data 17 noiembrie 2019 23:23:17
Problema Suma divizorilor Scor 30
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.55 kb
#include <iostream>
#include <fstream>
#include <cmath>

using namespace std;

ifstream in ("sumdiv.in");
ofstream out ("sumdiv.out");

int main() {
    int a, b;
    long long int s = 1;
    in >> a >> b;
    int d = 2, p;
    while (d * d <= a) {
        p = 0;
        while (a % d == 0) {
            a /= d;
            p ++;
        }
        if (p > 0) {
            s *= (pow (d, p * b + 1) - 1) / (d - 1);
        }
        d ++;
    }
    if (a > 1) {
        s *= (pow (a, b + 1)- 1) / (a - 1);
    }
    s %= 9901;
    out << s;
    return 0;
}