#include <iostream>
#include <algorithm>
#include <iomanip>
#include <vector>
#include <queue>
#include <set>
#include <map>

using namespace std;
typedef long long ll;

void solve(){
    int x, y; cin >> x >> y;
    if(x < y) swap(x, y);
    if(x == y){
        int ans = 0;
        // a = 1
        ans += x-1;
        // b = c
        for(int i = 1; i*i <= x; i++){
            if(x%i == 0) {
                if(i != 1)ans++;
                if(i*i != x) ans++;
            }
        }
        if(x%2 == 0) ans--;
        cout << ans << endl;
        return;
    }
    int ans = 0;
    for(int s = 1; s*s <= x-y; s++){
        if((x-y)%s != 0) continue;
        {
            int t_ = (x-y)/s;
            int a = s+1;
            if((x+y)%(a+1) == 0){
                int t = (x+y)/(a+1);
                if(t > t_ && t%2 == t_%2) {
                    ans++;
                }
            }
        }
        if(s*s != x-y){
            int t_ = s;
            int a = (x-y)/t_+1;
            if((x+y)%(a+1) == 0){
                int t = (x+y)/(a+1);
                if(t > t_ && t%2 == t_%2) {
                    ans++;
                }
            }
        }
    }
    cout << ans << endl;
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout << setprecision(10) << fixed;
    int s; cin >> s;
    for(int i = 0; i < s; i++) solve();
}