如果一个整数的所有因子(包括1,但不包括这个数本身)之和与该数相等,则称这个数位完数.例如6=1+2+3,
1个回答

Function f(ByRef a As Integer, ByVal b As String) As Boolean

应该变为:

Function f(ByVal a As Integer, ByRef b As String) As Boolean