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#include <iostream>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <vector>

using namespace std;

//a + ak + akl = n
//a(1 + k + kl) = n
//a * (1 + k(1 + l)) = n;

int cf(int n) {
    if (n==4) return 0;
    int ret = 0;
    for (int i=2;i*i<=n;i++) {
        if (n%i==0) {
            ret++;
            if (i > 2 && i*i < n) {
                ret++;
            }
        }
    }
    return ret;
}

int main()
{
    int n;
    cin >> n;

    int ret = 0;
    for (int i=1;i*i<=n;i++) {
        if (n%i == 0) {
           ret += cf(i-1);
           if (i*i<n) {
                ret += cf(n/i-1);
           }
        }
    }
    cout << ret << endl;

    return 0;
}