81731422

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1\times {\mathrm{1301}}^1$

素因数の和:1715

約数の個数: 16

約数和(自身を含む): 124304544

約数和(自身を除く): 42573122

約数列:

[1, 2, 101, 202, 311, 622, 1301, 2602, 31411, 62822, 131401, 262802, 404611, 809222, 40865711, 81731422]

約数ペア:

[(1, 81731422), (2, 40865711), (101, 809222), (202, 404611), (311, 262802), (622, 131401), (1301, 62822), (2602, 31411)]