66856738

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1\times {\mathrm{887}}^1$

素因数の和:1138

約数の個数: 24

約数和(自身を含む): 109202688

約数和(自身を除く): 42345950

約数列:

[1, 2, 13, 26, 169, 223, 338, 446, 887, 1774, 2899, 5798, 11531, 23062, 37687, 75374, 149903, 197801, 299806, 395602, 2571413, 5142826, 33428369, 66856738]

約数ペア:

[(1, 66856738), (2, 33428369), (13, 5142826), (26, 2571413), (169, 395602), (223, 299806), (338, 197801), (446, 149903), (887, 75374), (1774, 37687), (2899, 23062), (5798, 11531)]