81540176

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{14437}}^1$

素因数の和:14798

約数の個数: 20

約数和(自身を含む): 158442612

約数和(自身を除く): 76902436

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2824, 5648, 14437, 28874, 57748, 115496, 230992, 5096261, 10192522, 20385044, 40770088, 81540176]

約数ペア:

[(1, 81540176), (2, 40770088), (4, 20385044), (8, 10192522), (16, 5096261), (353, 230992), (706, 115496), (1412, 57748), (2824, 28874), (5648, 14437)]