128857912

素因数分解:

$2^3\times {\mathrm{227}}^1\times {\mathrm{70957}}^1$

素因数の和:71190

約数の個数: 16

約数和(自身を含む): 242676360

約数和(自身を除く): 113818448

約数列:

[1, 2, 4, 8, 227, 454, 908, 1816, 70957, 141914, 283828, 567656, 16107239, 32214478, 64428956, 128857912]

約数ペア:

[(1, 128857912), (2, 64428956), (4, 32214478), (8, 16107239), (227, 567656), (454, 283828), (908, 141914), (1816, 70957)]