128540212

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{2609}}^1$

素因数の和:2835

約数の個数: 24

約数和(自身を含む): 229105800

約数和(自身を除く): 100565588

約数列:

[1, 2, 4, 109, 113, 218, 226, 436, 452, 2609, 5218, 10436, 12317, 24634, 49268, 284381, 294817, 568762, 589634, 1137524, 1179268, 32135053, 64270106, 128540212]

約数ペア:

[(1, 128540212), (2, 64270106), (4, 32135053), (109, 1179268), (113, 1137524), (218, 589634), (226, 568762), (436, 294817), (452, 284381), (2609, 49268), (5218, 24634), (10436, 12317)]