128257686

素因数分解:

$2^1\times 3^2\times {\mathrm{181}}^1\times {\mathrm{39367}}^1$

素因数の和:39556

約数の個数: 24

約数和(自身を含む): 279434064

約数和(自身を除く): 151176378

約数列:

[1, 2, 3, 6, 9, 18, 181, 362, 543, 1086, 1629, 3258, 39367, 78734, 118101, 236202, 354303, 708606, 7125427, 14250854, 21376281, 42752562, 64128843, 128257686]

約数ペア:

[(1, 128257686), (2, 64128843), (3, 42752562), (6, 21376281), (9, 14250854), (18, 7125427), (181, 708606), (362, 354303), (543, 236202), (1086, 118101), (1629, 78734), (3258, 39367)]