#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define ALL(v) v.begin(), v.end()
typedef long long ll;

#include <iostream>
#include <vector>
using namespace std;

int main(){
  int T;
  cin>>T;
  
  ll x,y;
  while(T--){
    scanf("%ld %ld",&x,&y);
    
    if(x<y) swap(x,y);
    
    ll s=x+y;
    ll t=x-y;

    vector<ll> A;
    for(int i=2;i*i<=s;i++){
      if(s%i==0){
        A.push_back(i);
        if(i*i!=s) A.push_back(s/i);
      }
    }
    
    ll cnt=0;
    for(auto c:A){
      if(c==2){
        if(x!=y) continue;
        cnt+=x-1;
        continue;
      }
      if(t%(c-2)!=0) continue;
      ll d=s/c;
      ll e=t/(c-2);
      if(d%2 != e%2) continue;
      if(d+e<2 || d-e<2) continue;
      cnt++;
    }
    printf("%ld\n",cnt);
    A.clear();

  }

  return 0;
}