218971588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{7351}}^1$

素因数の和:8043

約数の個数: 24

約数和(自身を含む): 418711104

約数和(自身を除く): 199739516

約数列:

[1, 2, 4, 11, 22, 44, 677, 1354, 2708, 7351, 7447, 14702, 14894, 29404, 29788, 80861, 161722, 323444, 4976627, 9953254, 19906508, 54742897, 109485794, 218971588]

約数ペア:

[(1, 218971588), (2, 109485794), (4, 54742897), (11, 19906508), (22, 9953254), (44, 4976627), (677, 323444), (1354, 161722), (2708, 80861), (7351, 29788), (7447, 29404), (14702, 14894)]