/*CODED BY mahmudulsakib2019
  DATE:-06/3/2024;TIME:-07:57 pm
  BANGALDESH , SYLHET*/

#include <iostream>
#include <cmath>     ///mathematics
#include <vector>    ///array
#include <regex>     ///searching_prefix_suffix
#include <algorithm> ///finding_max_min_from_array
#include <string>    ///string_manipulation
#include <numeric>   ///findin total sum of an array
using namespace std;

int main() {
    long long int n;
    int count=0;
    cin>>n;
    for(int i=1;i<=n;i++){
      if(n%i==0){
        count++;
      }
    }
    cout<<count<<endl;
    return 0;
}