import sys
input = sys.stdin.readline

T=int(input())
for tests in range(T):
    X,Y=map(int,input().split())

    if X==Y:
        xr=round(X**(1/2))
        LIST=[]

        for i in range(1,xr+1):
            if X%i==0:
                LIST.append(i)
                if X//i>i:
                    LIST.append(X//i)
        ANS=X-1
        for l in LIST:
            A=l-1
            if A==1:
                continue
            else:
                B=X//(A+1)

                if A>0 and B>0:
                    ANS+=1

        print(ANS)
        continue

    if X<Y:
        X,Y=Y,X
    xr=round((X-Y)**(1/2))
    LIST=[]

    for i in range(1,xr+1):
        if (X-Y)%i==0:
            LIST.append(i)
            if (X-Y)//i>i:
                LIST.append((X-Y)//i)
    ANS=0
    for l in LIST:
        A=l+1
        if A>0 and (X+Y)%(A+1)==0:
            k=(X-Y)//(A-1)
            l=(X+Y)//(A+1)

            if (k+l)%2==0 and k+l>0 and (l-k)%2==0 and l-k>0:
                ANS+=1

    print(ANS)