#include<cstdio>

 #include<queue>

 #include<iostream>

 #include<cstring>

 #define int long long

 using namespace std;

 inline int read(){

     int ans=,f=;char chr=getchar();

     while(!isdigit(chr)){if(chr=='-') f=-;chr=getchar();}

     while(isdigit(chr)){ans=(ans<<)+(ans<<)+chr-;chr=getchar();}

     return ans*f;

 }int ans=,n,r;

 signed main() {

     r=n=read();

     if(!n) {puts("");return ;}

     while(n&^) n>>=;

     for(int i=,j;i*i<=r;++i) {

         for(j=;!(n%i);++j) n/=i;

         if(i%==) ans*=j<<|;

     }if(n>&&n%==) ans*=;

     cout<<ans*;

     return ;

 }