1990428124

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{2111}}^1\times {\mathrm{2203}}^1$

素因数の和:4425

約数の個数: 24

約数和(自身を含む): 3519065088

約数和(自身を除く): 1528636964

約数列:

[1, 2, 4, 107, 214, 428, 2111, 2203, 4222, 4406, 8444, 8812, 225877, 235721, 451754, 471442, 903508, 942884, 4650533, 9301066, 18602132, 497607031, 995214062, 1990428124]

約数ペア:

[(1, 1990428124), (2, 995214062), (4, 497607031), (107, 18602132), (214, 9301066), (428, 4650533), (2111, 942884), (2203, 903508), (4222, 471442), (4406, 451754), (8444, 235721), (8812, 225877)]