638628

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{2801}}^1$

素因数の和:2827

約数の個数: 24

約数和(自身を含む): 1569120

約数和(自身を除く): 930492

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 2801, 5602, 8403, 11204, 16806, 33612, 53219, 106438, 159657, 212876, 319314, 638628]

約数ペア:

[(1, 638628), (2, 319314), (3, 212876), (4, 159657), (6, 106438), (12, 53219), (19, 33612), (38, 16806), (57, 11204), (76, 8403), (114, 5602), (228, 2801)]