28087174

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1423}}^1$

素因数の和:1635

約数の個数: 16

約数和(自身を含む): 43061760

約数和(自身を除く): 14974586

約数列:

[1, 2, 71, 139, 142, 278, 1423, 2846, 9869, 19738, 101033, 197797, 202066, 395594, 14043587, 28087174]

約数ペア:

[(1, 28087174), (2, 14043587), (71, 395594), (139, 202066), (142, 197797), (278, 101033), (1423, 19738), (2846, 9869)]