81232816

素因数分解:

$2^4\times 7^1\times {\mathrm{725293}}^1$

素因数の和:725308

約数の個数: 20

約数和(自身を含む): 179872912

約数和(自身を除く): 98640096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 725293, 1450586, 2901172, 5077051, 5802344, 10154102, 11604688, 20308204, 40616408, 81232816]

約数ペア:

[(1, 81232816), (2, 40616408), (4, 20308204), (7, 11604688), (8, 10154102), (14, 5802344), (16, 5077051), (28, 2901172), (56, 1450586), (112, 725293)]