C++ 代码
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll N=1e5+1e4;
ll n,ans,x;
signed main()
{
cin>>n;
for(ll i=2;;i++)
{
if(n%i==0)
{
ans=n/i;
break;
}
}
cout<<ans;
}