289646864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{17627}}^1$

素因数の和:17727

約数の個数: 40

約数和(自身を含む): 612044160

約数和(自身を除く): 322397296

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1264, 2054, 4108, 8216, 16432, 17627, 35254, 70508, 141016, 229151, 282032, 458302, 916604, 1392533, 1833208, 2785066, 3666416, 5570132, 11140264, 18102929, 22280528, 36205858, 72411716, 144823432, 289646864]

約数ペア:

[(1, 289646864), (2, 144823432), (4, 72411716), (8, 36205858), (13, 22280528), (16, 18102929), (26, 11140264), (52, 5570132), (79, 3666416), (104, 2785066), (158, 1833208), (208, 1392533), (316, 916604), (632, 458302), (1027, 282032), (1264, 229151), (2054, 141016), (4108, 70508), (8216, 35254), (16432, 17627)]