81777314

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{6841}}^1$

素因数の和:7025

約数の個数: 16

約数和(自身を含む): 126440160

約数和(自身を除く): 44662846

約数列:

[1, 2, 43, 86, 139, 278, 5977, 6841, 11954, 13682, 294163, 588326, 950899, 1901798, 40888657, 81777314]

約数ペア:

[(1, 81777314), (2, 40888657), (43, 1901798), (86, 950899), (139, 588326), (278, 294163), (5977, 13682), (6841, 11954)]