#include <iostream>
using namespace std;

bool check(int x, int y, int d) {
    bool ret = (x + y) % d == 0 && (x - y) % (d - 2) == 0 &&
        (x + y) / d % 2 == (x - y) / (d - 2) % 2;
    if (ret) {
        int sum = (x + y) / d, diff = (x - y) / (d - 2);
        if (sum > diff) return true;
    }
    return false;
}

int main() {
    int s; cin >> s;
    while (s--) {
        int x, y; cin >> x >> y;
        if (x < y) swap(x, y);
        long long ans = 0;
        if (x == y) ans += x - 1;
        for (int d = 3; d * d <= x + y; d++) {
            if (check(x, y, d)) ans++;
            if (d * d < x + y && check(x, y, (x + y) / d)) ans++;
        }
        cout << ans << endl;
    }
}