181208665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 244607616

約数和(自身を除く): 63398951

約数列:

[1, 5, 11, 43, 55, 193, 215, 397, 473, 965, 1985, 2123, 2365, 4367, 8299, 10615, 17071, 21835, 41495, 76621, 85355, 91289, 187781, 383105, 456445, 842831, 938905, 3294703, 4214155, 16473515, 36241733, 181208665]

約数ペア:

[(1, 181208665), (5, 36241733), (11, 16473515), (43, 4214155), (55, 3294703), (193, 938905), (215, 842831), (397, 456445), (473, 383105), (965, 187781), (1985, 91289), (2123, 85355), (2365, 76621), (4367, 41495), (8299, 21835), (10615, 17071)]