81675804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1471}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 218279936

約数和(自身を除く): 136604132

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 661, 1322, 1471, 1983, 2644, 2942, 3966, 4413, 4627, 5884, 7932, 8826, 9254, 10297, 13881, 17652, 18508, 20594, 27762, 30891, 41188, 55524, 61782, 123564, 972331, 1944662, 2916993, 3889324, 5833986, 6806317, 11667972, 13612634, 20418951, 27225268, 40837902, 81675804]

約数ペア:

[(1, 81675804), (2, 40837902), (3, 27225268), (4, 20418951), (6, 13612634), (7, 11667972), (12, 6806317), (14, 5833986), (21, 3889324), (28, 2916993), (42, 1944662), (84, 972331), (661, 123564), (1322, 61782), (1471, 55524), (1983, 41188), (2644, 30891), (2942, 27762), (3966, 20594), (4413, 18508), (4627, 17652), (5884, 13881), (7932, 10297), (8826, 9254)]