9921000472

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{20329919}}^1$

素因数の和:20329986

約数の個数: 16

約数和(自身を含む): 18906825600

約数和(自身を除く): 8985825128

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 20329919, 40659838, 81319676, 162639352, 1240125059, 2480250118, 4960500236, 9921000472]

約数ペア:

[(1, 9921000472), (2, 4960500236), (4, 2480250118), (8, 1240125059), (61, 162639352), (122, 81319676), (244, 40659838), (488, 20329919)]