8640136

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{56843}}^1$

素因数の和:56868

約数の個数: 16

約数和(自身を含む): 17053200

約数和(自身を除く): 8413064

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 56843, 113686, 227372, 454744, 1080017, 2160034, 4320068, 8640136]

約数ペア:

[(1, 8640136), (2, 4320068), (4, 2160034), (8, 1080017), (19, 454744), (38, 227372), (76, 113686), (152, 56843)]