66882644

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{407821}}^1$

素因数の和:407866

約数の個数: 12

約数和(自身を含む): 119899668

約数和(自身を除く): 53017024

約数列:

[1, 2, 4, 41, 82, 164, 407821, 815642, 1631284, 16720661, 33441322, 66882644]

約数ペア:

[(1, 66882644), (2, 33441322), (4, 16720661), (41, 1631284), (82, 815642), (164, 407821)]