#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <math.h>
#include <complex>
#include <queue>
#include <deque>
#include <stack>
#include <map>
#include <unordered_map>
#include <set>
#include <bitset>
#include <functional>
#include <assert.h>
using ll=long long;
#define int ll
#define rng(i,a,b) for(int i=int(a);i<int(b);i++)
#define rep(i,b) rng(i,0,b)
#define gnr(i,a,b) for(int i=int(b)-1;i>=int(a);i--)
#define per(i,b) gnr(i,0,b)
#define eb emplace_back
#define all(x) x.begin(),x.end()
#define SZ(x) x.size()
#define fi first
#define se second
const int INF = 1e9;
using namespace std;

template<class t> using vc=vector<t>;
template<class t> using vvc=vc<vc<t>>;

using pi=pair<int,int>;
using vi=vc<int>;

template<class T>
inline bool chmax(T &a,T b){if(a<b){a=b;return true;}return false;}
template<class T>
inline bool chmin(T &a,T b){if(a>b){a=b;return true;}return false;}

unordered_map<int,int> prime_factor(int n){
    unordered_map<int,int> ret;
    for(int i=2; i*i<=n; i++){
        while(n % i == 0){
            ret[i]++;
            n /= i;
        }
    }
    if(n != 1) ret[n]=1;
    return ret;
}

int power(int x,int y){
	int res=1;
	while(y){
		if(y&1)res=(res*x);
		y=y>>1;
		x=(x*x);
	}
	return res;
}

signed main() {
    cin.tie(0);
    ios::sync_with_stdio(0);
    cout<<fixed<<setprecision(20);

    int N; cin >> N;
    int ans=1;
    for(auto p:prime_factor(N)){
        int pos=1;
        rep(j,p.se){
            pos+=power(p.fi,j+1);
        }
        ans*=pos;
    }
    cout << ans << endl;
}