#include <fstream>
#include <iostream>
using namespace std;
ifstream in("ciur.in");
ofstream out("ciur.out");
int main()
{
    int N;
    int S = 0, OK=0;
    in>>N;
    for ( int i=1; i<=N ;i++ ) {
        if ( N % i == 0) OK = 1;
        if ( OK == 1 ) S++;
        OK = 0;
    }
    cout << S;
    return 0;
}