12857858

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:486

約数の個数: 24

約数和(自身を含む): 21136500

約数和(自身を除く): 8278642

約数列:

[1, 2, 13, 26, 109, 169, 218, 338, 349, 698, 1417, 2834, 4537, 9074, 18421, 36842, 38041, 58981, 76082, 117962, 494533, 989066, 6428929, 12857858]

約数ペア:

[(1, 12857858), (2, 6428929), (13, 989066), (26, 494533), (109, 117962), (169, 76082), (218, 58981), (338, 38041), (349, 36842), (698, 18421), (1417, 9074), (2834, 4537)]