80681804

素因数分解:

$2^2\times 7^1\times {\mathrm{911}}^1\times {\mathrm{3163}}^1$

素因数の和:4085

約数の個数: 24

約数和(自身を含む): 161591808

約数和(自身を除く): 80910004

約数列:

[1, 2, 4, 7, 14, 28, 911, 1822, 3163, 3644, 6326, 6377, 12652, 12754, 22141, 25508, 44282, 88564, 2881493, 5762986, 11525972, 20170451, 40340902, 80681804]

約数ペア:

[(1, 80681804), (2, 40340902), (4, 20170451), (7, 11525972), (14, 5762986), (28, 2881493), (911, 88564), (1822, 44282), (3163, 25508), (3644, 22141), (6326, 12754), (6377, 12652)]