81661728

素因数分解:

$2^5\times 3^1\times {\mathrm{383}}^1\times {\mathrm{2221}}^1$

素因数の和:2617

約数の個数: 48

約数和(自身を含む): 215018496

約数和(自身を除く): 133356768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 383, 766, 1149, 1532, 2221, 2298, 3064, 4442, 4596, 6128, 6663, 8884, 9192, 12256, 13326, 17768, 18384, 26652, 35536, 36768, 53304, 71072, 106608, 213216, 850643, 1701286, 2551929, 3402572, 5103858, 6805144, 10207716, 13610288, 20415432, 27220576, 40830864, 81661728]

約数ペア:

[(1, 81661728), (2, 40830864), (3, 27220576), (4, 20415432), (6, 13610288), (8, 10207716), (12, 6805144), (16, 5103858), (24, 3402572), (32, 2551929), (48, 1701286), (96, 850643), (383, 213216), (766, 106608), (1149, 71072), (1532, 53304), (2221, 36768), (2298, 35536), (3064, 26652), (4442, 18384), (4596, 17768), (6128, 13326), (6663, 12256), (8884, 9192)]