686704476

素因数分解:

$2^2\times 3^1\times {\mathrm{1999}}^1\times {\mathrm{28627}}^1$

素因数の和:30633

約数の個数: 24

約数和(自身を含む): 1603168000

約数和(自身を除く): 916463524

約数列:

[1, 2, 3, 4, 6, 12, 1999, 3998, 5997, 7996, 11994, 23988, 28627, 57254, 85881, 114508, 171762, 343524, 57225373, 114450746, 171676119, 228901492, 343352238, 686704476]

約数ペア:

[(1, 686704476), (2, 343352238), (3, 228901492), (4, 171676119), (6, 114450746), (12, 57225373), (1999, 343524), (3998, 171762), (5997, 114508), (7996, 85881), (11994, 57254), (23988, 28627)]