493990372

素因数分解:

$2^2\times {\mathrm{313}}^1\times {\mathrm{571}}^1\times {\mathrm{691}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 870021152

約数和(自身を除く): 376030780

約数列:

[1, 2, 4, 313, 571, 626, 691, 1142, 1252, 1382, 2284, 2764, 178723, 216283, 357446, 394561, 432566, 714892, 789122, 865132, 1578244, 123497593, 246995186, 493990372]

約数ペア:

[(1, 493990372), (2, 246995186), (4, 123497593), (313, 1578244), (571, 865132), (626, 789122), (691, 714892), (1142, 432566), (1252, 394561), (1382, 357446), (2284, 216283), (2764, 178723)]