81682188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{972407}}^1$

素因数の和:972421

約数の個数: 24

約数和(自身を含む): 217819392

約数和(自身を除く): 136137204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 972407, 1944814, 2917221, 3889628, 5834442, 6806849, 11668884, 13613698, 20420547, 27227396, 40841094, 81682188]

約数ペア:

[(1, 81682188), (2, 40841094), (3, 27227396), (4, 20420547), (6, 13613698), (7, 11668884), (12, 6806849), (14, 5834442), (21, 3889628), (28, 2917221), (42, 1944814), (84, 972407)]