#include <cstdio>
#include <iostream>
#include <stdlib.h>
#include <cmath>


int main() {
    int t = 200000;
    // std::scanf("%d", &t);

    while (t--) {
        int n;
        // std::scanf("%d", &n);

        n = std::rand() % 500000 + 1;

        if (n == 1) {
            std::cout << "0" << std::endl;
            continue;
        }

        int total = 1;
        int r = (int) std::floor(std::sqrt(n));

        for (int n2 = 2; n2 < r + 1; n2++) {
            if (n % n2 == 0)
                total += n2 + (n/n2);
                // std::cout << n2 << std::endl;
        }

        std::cout << total << std::endl;
    }

    return 0;
}