664632644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2137}}^1\times {\mathrm{5981}}^1$

素因数の和:8135

約数の個数: 24

約数和(自身を含む): 1253372568

約数和(自身を除く): 588739924

約数列:

[1, 2, 4, 13, 26, 52, 2137, 4274, 5981, 8548, 11962, 23924, 27781, 55562, 77753, 111124, 155506, 311012, 12781397, 25562794, 51125588, 166158161, 332316322, 664632644]

約数ペア:

[(1, 664632644), (2, 332316322), (4, 166158161), (13, 51125588), (26, 25562794), (52, 12781397), (2137, 311012), (4274, 155506), (5981, 111124), (8548, 77753), (11962, 55562), (23924, 27781)]