import std.conv, std.functional, std.range, std.stdio, std.string;
import std.algorithm, std.array, std.bigint, std.bitmanip, std.complex, std.container, std.math, std.mathspecial, std.numeric, std.regex, std.typecons;
import core.bitop;

class EOFException : Throwable { this() { super("EOF"); } }
string[] tokens;
string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; }
int readInt() { return readToken.to!int; }
long readLong() { return readToken.to!long; }
real readReal() { return readToken.to!real; }

bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } }
bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } }

int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1; (unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; }
int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); }
int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); }




void main() {
  try {
    for (; ; ) {
      const numCases = readInt();
      foreach (caseId; 0 .. numCases) {
        long X = readLong();
        long Y = readLong();
        if (X > Y) {
          swap(X, Y);
        }
        
        long ans;
        if (X == Y) {
          /*
            B = C
            X = (A + 1) B
          */
          void check0(long d) {
            if (d > 1) {
              debug {
                writeln([d - 1, X / d, X / d]);
              }
              ++ans;
            }
          }
          for (long d = 1; d^^2 <= X; ++d) {
            if (X % d == 0) {
              check0(d);
              if (d != X / d) {
                check0(X / d);
              }
            }
          }
          /*
            A = 1, B != C
          */
          ans += (X - 1) / 2 * 2;
        } else {
          /*
            Y - X = (A - 1) (C - B)
            
            [ A 1 ] [ B ] = [ X ]
            [ 1 A ] [ C ]   [ Y ]
          */
          void check(long d) {
            const a = d + 1;
            const denom = a^^2 - 1;
            const numerB = a * X - Y;
            const numerC = a * Y - X;
            if (numerB > 0 && numerC > 0 && numerB % denom == 0 && numerC % denom == 0) {
              debug {
                writeln([a, numerB / denom, numerC / denom]);
              }
              ++ans;
            }
          }
          for (long d = 1; d^^2 <= Y - X; ++d) {
            if ((Y - X) % d == 0) {
              check(d);
              if (d != (Y - X) / d) {
                check((Y - X) / d);
              }
            }
          }
        }
        writeln(ans);
      }
    }
  } catch (EOFException e) {
  }
}