681614

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:251

約数の個数: 16

約数和(自身を含む): 1074336

約数和(自身を除く): 392722

約数列:

[1, 2, 37, 61, 74, 122, 151, 302, 2257, 4514, 5587, 9211, 11174, 18422, 340807, 681614]

約数ペア:

[(1, 681614), (2, 340807), (37, 18422), (61, 11174), (74, 9211), (122, 5587), (151, 4514), (302, 2257)]