81811828

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127037}}^1$

素因数の和:127071

約数の個数: 24

約数和(自身を含む): 170739072

約数和(自身を除く): 88927244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 127037, 254074, 508148, 889259, 1778518, 2921851, 3557036, 5843702, 11687404, 20452957, 40905914, 81811828]

約数ペア:

[(1, 81811828), (2, 40905914), (4, 20452957), (7, 11687404), (14, 5843702), (23, 3557036), (28, 2921851), (46, 1778518), (92, 889259), (161, 508148), (322, 254074), (644, 127037)]