#include <bits/stdc++.h>
#include <algorithm>
using namespace std;
#define IOS  ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define endl "\n"
#define int long long

const int M = 3e5 + 5, MOD = 998244353;
int32_t main()
{
    int x;
    cin>>x;
    int total = 0;
    for(int i = 1;i <= x;i++)
    {
        if(x % i == 0)
        {
            total++;
        }
    }
    cout<<total;
    return 0;
}