81963246

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1949}}^1$

素因数の和:2160

約数の個数: 32

約数和(自身を含む): 168854400

約数和(自身を除く): 86891154

約数列:

[1, 2, 3, 6, 43, 86, 129, 163, 258, 326, 489, 978, 1949, 3898, 5847, 7009, 11694, 14018, 21027, 42054, 83807, 167614, 251421, 317687, 502842, 635374, 953061, 1906122, 13660541, 27321082, 40981623, 81963246]

約数ペア:

[(1, 81963246), (2, 40981623), (3, 27321082), (6, 13660541), (43, 1906122), (86, 953061), (129, 635374), (163, 502842), (258, 317687), (326, 251421), (489, 167614), (978, 83807), (1949, 42054), (3898, 21027), (5847, 14018), (7009, 11694)]