81147586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1259}}^1$

素因数の和:1378

約数の個数: 32

約数和(自身を含む): 136745280

約数和(自身を除く): 55597694

約数列:

[1, 2, 13, 26, 37, 67, 74, 134, 481, 871, 962, 1259, 1742, 2479, 2518, 4958, 16367, 32227, 32734, 46583, 64454, 84353, 93166, 168706, 605579, 1096589, 1211158, 2193178, 3121061, 6242122, 40573793, 81147586]

約数ペア:

[(1, 81147586), (2, 40573793), (13, 6242122), (26, 3121061), (37, 2193178), (67, 1211158), (74, 1096589), (134, 605579), (481, 168706), (871, 93166), (962, 84353), (1259, 64454), (1742, 46583), (2479, 32734), (2518, 32227), (4958, 16367)]