207262445

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{4021}}^1$

素因数の和:4113

約数の個数: 24

約数和(自身を含む): 273801672

約数和(自身を除く): 66539227

約数列:

[1, 5, 13, 61, 65, 169, 305, 793, 845, 3965, 4021, 10309, 20105, 51545, 52273, 245281, 261365, 679549, 1226405, 3188653, 3397745, 15943265, 41452489, 207262445]

約数ペア:

[(1, 207262445), (5, 41452489), (13, 15943265), (61, 3397745), (65, 3188653), (169, 1226405), (305, 679549), (793, 261365), (845, 245281), (3965, 52273), (4021, 51545), (10309, 20105)]