291278214

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{68279}}^1$

素因数の和:68369

約数の個数: 32

約数和(自身を含む): 655488000

約数和(自身を除く): 364209786

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 237, 474, 711, 1422, 2133, 4266, 68279, 136558, 204837, 409674, 614511, 1229022, 1843533, 3687066, 5394041, 10788082, 16182123, 32364246, 48546369, 97092738, 145639107, 291278214]

約数ペア:

[(1, 291278214), (2, 145639107), (3, 97092738), (6, 48546369), (9, 32364246), (18, 16182123), (27, 10788082), (54, 5394041), (79, 3687066), (158, 1843533), (237, 1229022), (474, 614511), (711, 409674), (1422, 204837), (2133, 136558), (4266, 68279)]