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$#doanthevu$

Code C++ :

#include<bits/stdc++.h>
#define ll long long
using namespace std;
ll i,n,a=0,s;
int main()
{
   cin>>n;
    for( i=1;i*i<=n;i++)
    {
        if(n%i==0)
        {
            s+=i;
            if(n/i!=i) s+=n/i;
        }
    }
    if(s-n==n) cout<<"1";
    else cout<<"0";
    return 0;
}

C++:

#include <bits/stdc++.h>
#define int long long
using namespace std;
bool CheckHH(int n)
{
    if (n == 1) return false;

    int s = 1;
    for (int i = 2; i * i <= n; i++)
    {
        if (n % i == 0)
        {
            if (i * i == n) s += i;
            else s += i + n / i;
        }
    }
    return s == n;
}
signed main()
{
    int n; cin >> n;
    cout << (CheckHH(n) ? 1 : 0);
}

Python:

def CheckHH(n):
    if n == 1:
        return False

    s = 1
    for i in range(2, int(n**0.5) + 1):
        if n % i == 0:
            if i * i == n:
                s += i
            else:
                s += i + n // i
    return s == n
n = int(input())
print(1 if CheckHH(n) else 0)

Chúc bn học tốt!

$\color{Turquoise}{\triangleright \triangleright\ \color{ Turquoise}{\text{ThienPhuc123} \triangleleft \triangleleft}}$