@[GREED_VI](/space/show?uid=37409) 正约数之和等于s的数是不是一定小于等于s的？
by 渺小的Mastar @ 2019-04-21 15:38:16
我直观感觉是这样。。
by 渺小的Mastar @ 2019-04-21 15:38:59
@[Mastar](/space/show?uid=140659) 是啊，但底数一定小于
by Episode9 @ 2019-04-21 15:45:54
$(1+p_1^1+p_1^2+...+p_1^{c_1})\ast(1+p_2^1+p_2^2+...+p_2^{c_2})\ast...\ast(1+p_n^1+p_n^2+...+p_n^{c_n})$
这个p一定小于sqrt(s)啊
by Episode9 @ 2019-04-21 15:47:12
@[Mastar](/space/show?uid=140659) 要么得等于S
by Episode9 @ 2019-04-21 15:49:52
嗯嗯。蟹蟹
by 渺小的Mastar @ 2019-04-21 15:55:53
@[Mastar](/space/show?uid=140659) 咱俩同姓!!
by 陈独秀先生_ @ 2019-04-21 21:23:53
@[陈独秀先生_](/space/show?uid=79153) chen_du_xiu_niu_bi!
by 渺小的Mastar @ 2019-04-21 22:26:12
@[Mastar](/space/show?uid=140659) (大雾)
by 陈独秀先生_ @ 2019-04-25 19:26:21