#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define all(a) a.begin(),a.end()
#define endl '\n'
 

void solve()
{
    ll n;cin>>n;
    ll ct=1;
    for(ll i=1;i<=n/2;i++)
    {
      if(n%i==0)ct++;
    }
    cout<<ct<<endl;
}

int main()
{
    ios::sync_with_stdio(0); cin.tie(0);
    
      solve();
       
}