261034708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{10651}}^1$

素因数の和:11223

約数の個数: 24

約数和(自身を含む): 499280544

約数和(自身を除く): 238245836

約数列:

[1, 2, 4, 11, 22, 44, 557, 1114, 2228, 6127, 10651, 12254, 21302, 24508, 42604, 117161, 234322, 468644, 5932607, 11865214, 23730428, 65258677, 130517354, 261034708]

約数ペア:

[(1, 261034708), (2, 130517354), (4, 65258677), (11, 23730428), (22, 11865214), (44, 5932607), (557, 468644), (1114, 234322), (2228, 117161), (6127, 42604), (10651, 24508), (12254, 21302)]