128617372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 248371200

約数和(自身を除く): 119753828

約数列:

[1, 2, 4, 13, 26, 52, 79, 131, 158, 239, 262, 316, 478, 524, 956, 1027, 1703, 2054, 3107, 3406, 4108, 6214, 6812, 10349, 12428, 18881, 20698, 31309, 37762, 41396, 62618, 75524, 125236, 134537, 245453, 269074, 407017, 490906, 538148, 814034, 981812, 1628068, 2473411, 4946822, 9893644, 32154343, 64308686, 128617372]

約数ペア:

[(1, 128617372), (2, 64308686), (4, 32154343), (13, 9893644), (26, 4946822), (52, 2473411), (79, 1628068), (131, 981812), (158, 814034), (239, 538148), (262, 490906), (316, 407017), (478, 269074), (524, 245453), (956, 134537), (1027, 125236), (1703, 75524), (2054, 62618), (3107, 41396), (3406, 37762), (4108, 31309), (6214, 20698), (6812, 18881), (10349, 12428)]