摘要:
不可摸数转自:http://www.cnblogs.com/dongsheng/archive/2012/08/18/2645594.htmlTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 5334Accepted Submission(s): 1405Problem Descriptions(n)是正整数n的真因子之和,即小于n且整除n的因子和.例如s(12)=1+2+3+4+6=16.如果任何数m,s(m)都不等于n,则称n为不可摸数.In 阅读全文