81379246

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{3947}}^1$

素因数の和:4036

約数の個数: 24

約数和(自身を含む): 134382024

約数和(自身を除く): 53002778

約数列:

[1, 2, 13, 26, 61, 122, 169, 338, 793, 1586, 3947, 7894, 10309, 20618, 51311, 102622, 240767, 481534, 667043, 1334086, 3129971, 6259942, 40689623, 81379246]

約数ペア:

[(1, 81379246), (2, 40689623), (13, 6259942), (26, 3129971), (61, 1334086), (122, 667043), (169, 481534), (338, 240767), (793, 102622), (1586, 51311), (3947, 20618), (7894, 10309)]