use std::io::Write;

fn main () {
    let stdout = std::io::stdout();
    let mut writer = std::io::BufWriter::new(stdout.lock());

    let s: usize = {
        let mut buf = String::new();
        std::io::stdin().read_line(&mut buf).unwrap();
        buf.trim_end().parse().unwrap()
    };

    for _ in 0..s {
        let (x, y): (i64, i64) = {
            let mut buf = String::new();
            std::io::stdin().read_line(&mut buf).unwrap();
            let mut iter = buf.split_whitespace();
            (
                iter.next().unwrap().parse().unwrap(),
                iter.next().unwrap().parse().unwrap(),
            )
        };

        let p = x + y;
        let q = (x - y).abs();
        let mut ans = 0;
        let mut i = 1;
        while i * i <= q {
            if q % i > 0 {
                i += 1;
                continue;
            }
            let j = q / i;
            if p % (i + 2) == 0 {
                let u = p / (i + 2);
                let v = j;
                if u > v && (u + v) % 2 == 0 {
                    ans += 1;
                }
            }
            if i != j && p % (j + 2) == 0 {
                let u = p / (j + 2);
                let v = i;
                if u > v && (u + v) % 2 == 0 {
                    ans += 1;
                }
            }
            i += 1;
        }
        writeln!(writer, "{}", ans).unwrap();
    }
}