#include<bits/stdc++.h>
using namespace std;
//------------------
#define ll long long
#define int long long
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define el cout << endl
//------------------
ll a,b;
ll sum = 0;
//------------------
signed main()
{
    cin >> a >> b;

    for(int i = 1;i * i <= a;i++)
    {
        if(a % i == 0)
        {
            if(b % i != 0)
            {
                sum += i;
            }
            if(i != a / i)
            {
                if(b % (a / i) != 0)
                {
                    sum += a / i;
                }
            }
        }
    }
    cout << sum,el;
}

$\dcchuyentoan$