408064826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^2\times {\mathrm{1321}}^1$

素因数の和:1554

約数の個数: 24

約数和(自身を含む): 665788284

約数和(自身を除く): 257723458

約数列:

[1, 2, 13, 26, 109, 218, 1321, 1417, 2642, 2834, 11881, 17173, 23762, 34346, 143989, 154453, 287978, 308906, 1871857, 3743714, 15694801, 31389602, 204032413, 408064826]

約数ペア:

[(1, 408064826), (2, 204032413), (13, 31389602), (26, 15694801), (109, 3743714), (218, 1871857), (1321, 308906), (1417, 287978), (2642, 154453), (2834, 143989), (11881, 34346), (17173, 23762)]