31187986

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{2609}}^1$

素因数の和:2793

約数の個数: 16

約数和(自身を含む): 48232800

約数和(自身を除く): 17044814

約数列:

[1, 2, 43, 86, 139, 278, 2609, 5218, 5977, 11954, 112187, 224374, 362651, 725302, 15593993, 31187986]

約数ペア:

[(1, 31187986), (2, 15593993), (43, 725302), (86, 362651), (139, 224374), (278, 112187), (2609, 11954), (5218, 5977)]