#include "iostream"
#include "vector"
using namespace std;
//#define int long long
#define REP(i, n) for (int i = 0; i < (int)n; ++i)
#define RREP(i, n) for (int i = (int)n - 1; i >= 0; --i)
#define FOR(i, s, n) for (int i = s; i < (int)n; ++i)
#define RFOR(i, s, n) for (int i = (int)n - 1; i >= s; --i)
#define ALL(a) a.begin(), a.end()
#define IN(a, x, b) (a <= x && x < b)
template<class T>istream&operator >>(istream&is,vector<T>&vec){for(T&x:vec)is>>x;return is;}
template<class T>inline void out(T t){cout << t << "\n";}
template<class T,class... Ts>inline void out(T t,Ts... ts){cout << t << " ";out(ts...);}
template<class T>inline bool CHMIN(T&a,T b){if(a > b){a = b;return true;}return false;}
template<class T>inline bool CHMAX(T&a,T b){if(a < b){a = b;return true;}return false;}
//constexpr int INF = 1e18;

#define endl '\n'
#define IOS() ios_base::sync_with_stdio(0);cin.tie(0)

void solve(){
	//配列は必要な分だけ毎回確保する！
	int X, Y;
	cin >> X >> Y;

	int ans = 0;
	auto f = [&](long long a) -> int {
		--a;
		if ((a * Y - X) % (a * a - 1)) return 0;
		int c = (a * Y - X) / (a * a - 1);
		if((X - c) % a) return 0;
		return c > 0 && X - c > 0;
	};
	int loop = min(X + Y, max(X, Y) + (int)5e8);
	for(int i = 3; i * i <= loop; ++i) {
		if((X + Y) % i) continue;
		ans += f(i);
		int ni = (X + Y) / i;
		if(i != ni) ans += f(ni);
	}
	if((X + Y) % 2 == 0) ans += f((X + Y) / 2);
	out(ans);
}

signed main(){
	IOS();
	int Q = 1;
	cin >> Q;
	while(Q--)solve();
}