81788

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 172032

約数和(自身を除く): 90244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 127, 161, 254, 322, 508, 644, 889, 1778, 2921, 3556, 5842, 11684, 20447, 40894, 81788]

約数ペア:

[(1, 81788), (2, 40894), (4, 20447), (7, 11684), (14, 5842), (23, 3556), (28, 2921), (46, 1778), (92, 889), (127, 644), (161, 508), (254, 322)]