2668172

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{3947}}^1$

素因数の和:3977

約数の個数: 18

約数和(自身を含む): 5057388

約数和(自身を除く): 2389216

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 3947, 7894, 15788, 51311, 102622, 205244, 667043, 1334086, 2668172]

約数ペア:

[(1, 2668172), (2, 1334086), (4, 667043), (13, 205244), (26, 102622), (52, 51311), (169, 15788), (338, 7894), (676, 3947)]