9976390

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2381}}^1$

素因数の和:2807

約数の個数: 16

約数和(自身を含む): 18007920

約数和(自身を除く): 8031530

約数列:

[1, 2, 5, 10, 419, 838, 2095, 2381, 4190, 4762, 11905, 23810, 997639, 1995278, 4988195, 9976390]

約数ペア:

[(1, 9976390), (2, 4988195), (5, 1995278), (10, 997639), (419, 23810), (838, 11905), (2095, 4762), (2381, 4190)]