1、　　求1000以内的“相亲数”。所谓相亲数是指这样的一对数：甲数的约数之和等于乙数，而乙数的约数之和等于甲数。-1, find the 1000 within the " amicable number."　The number of so-called blind date is like a pair of numbers: the number of divisors of A and B is equal to the number, the approximate number of B and is equal to a few.