890243548

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{859}}^1\times {\mathrm{2377}}^1$

素因数の和:3349

約数の個数: 24

約数和(自身を含む): 1574711600

約数和(自身を除く): 684468052

約数列:

[1, 2, 4, 109, 218, 436, 859, 1718, 2377, 3436, 4754, 9508, 93631, 187262, 259093, 374524, 518186, 1036372, 2041843, 4083686, 8167372, 222560887, 445121774, 890243548]

約数ペア:

[(1, 890243548), (2, 445121774), (4, 222560887), (109, 8167372), (218, 4083686), (436, 2041843), (859, 1036372), (1718, 518186), (2377, 374524), (3436, 259093), (4754, 187262), (9508, 93631)]