81249574

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{187211}}^1$

素因数の和:187251

約数の個数: 16

約数和(自身を含む): 143778816

約数和(自身を除く): 62529242

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 187211, 374422, 1310477, 2620954, 5803541, 11607082, 40624787, 81249574]

約数ペア:

[(1, 81249574), (2, 40624787), (7, 11607082), (14, 5803541), (31, 2620954), (62, 1310477), (217, 374422), (434, 187211)]