20100913

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:732

約数の個数: 16

約数和(自身を含む): 23721984

約数和(自身を除く): 3621071

約数列:

[1, 7, 47, 107, 329, 571, 749, 3997, 5029, 26837, 35203, 61097, 187859, 427679, 2871559, 20100913]

約数ペア:

[(1, 20100913), (7, 2871559), (47, 427679), (107, 187859), (329, 61097), (571, 35203), (749, 26837), (3997, 5029)]