#約数全部
def Divisors(N):
    N=abs(N)
    L,U=[],[]
    k=1
    while k*k <=N:
        if N%k== 0:
            L.append(k)
            if k!=N//k:
                U.append(N//k)
        k+=1
    return L+U[::-1]
#====================================
S=int(input())
L=[0]*S
for i in range(S):
    X,Y=map(int,input().split())

    P=set(map(lambda x:x-1,Divisors(X+Y)))
    Q=set(map(lambda x:x+1,Divisors(X-Y)))
    R=P&Q

    K=0
    for a in R:
        B=(a*X-Y)//(a*a-1)
        C=(a*Y-X)//(a*a-1)
        K+=(B>0 and C>0  and B*(a*a-1)==a*X-Y and C*(a*a-1)==a*Y-X)

    L[i]=K

print("\n".join(map(str,L)))