1290222726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{1272409}}^1$

素因数の和:1272440

約数の個数: 24

約数和(自身を含む): 2794212360

約数和(自身を除く): 1503989634

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 1272409, 2544818, 3817227, 7634454, 16541317, 33082634, 49623951, 99247902, 215037121, 430074242, 645111363, 1290222726]

約数ペア:

[(1, 1290222726), (2, 645111363), (3, 430074242), (6, 215037121), (13, 99247902), (26, 49623951), (39, 33082634), (78, 16541317), (169, 7634454), (338, 3817227), (507, 2544818), (1014, 1272409)]