668863786

素因数分解:

$2^1\times {\mathrm{617}}^1\times {\mathrm{631}}^1\times {\mathrm{859}}^1$

素因数の和:2109

約数の個数: 16

約数和(自身を含む): 1007686080

約数和(自身を除く): 338822294

約数列:

[1, 2, 617, 631, 859, 1234, 1262, 1718, 389327, 530003, 542029, 778654, 1060006, 1084058, 334431893, 668863786]

約数ペア:

[(1, 668863786), (2, 334431893), (617, 1084058), (631, 1060006), (859, 778654), (1234, 542029), (1262, 530003), (1718, 389327)]