256318903295

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2633}}^1\times {\mathrm{213953}}^1$

素因数の和:216611

約数の個数: 32

約数和(自身を含む): 378708849792

約数和(自身を除く): 122389946497

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 2633, 13165, 18431, 34229, 92155, 171145, 213953, 239603, 1069765, 1198015, 1497671, 2781389, 7488355, 13906945, 19469723, 97348615, 563338249, 2816691245, 3943367743, 7323397237, 19716838715, 36616986185, 51263780659, 256318903295]

約数ペア:

[(1, 256318903295), (5, 51263780659), (7, 36616986185), (13, 19716838715), (35, 7323397237), (65, 3943367743), (91, 2816691245), (455, 563338249), (2633, 97348615), (13165, 19469723), (18431, 13906945), (34229, 7488355), (92155, 2781389), (171145, 1497671), (213953, 1198015), (239603, 1069765)]