128203412

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 242457600

約数和(自身を除く): 114254188

約数列:

[1, 2, 4, 19, 38, 76, 79, 131, 158, 163, 262, 316, 326, 524, 652, 1501, 2489, 3002, 3097, 4978, 6004, 6194, 9956, 10349, 12388, 12877, 20698, 21353, 25754, 41396, 42706, 51508, 85412, 196631, 244663, 393262, 405707, 489326, 786524, 811414, 978652, 1622828, 1686887, 3373774, 6747548, 32050853, 64101706, 128203412]

約数ペア:

[(1, 128203412), (2, 64101706), (4, 32050853), (19, 6747548), (38, 3373774), (76, 1686887), (79, 1622828), (131, 978652), (158, 811414), (163, 786524), (262, 489326), (316, 405707), (326, 393262), (524, 244663), (652, 196631), (1501, 85412), (2489, 51508), (3002, 42706), (3097, 41396), (4978, 25754), (6004, 21353), (6194, 20698), (9956, 12877), (10349, 12388)]