66691994

素因数分解:

$2^1\times {\mathrm{41}}^2\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:406

約数の個数: 24

約数和(自身を含む): 104207040

約数和(自身を除く): 37515046

約数列:

[1, 2, 41, 82, 83, 166, 239, 478, 1681, 3362, 3403, 6806, 9799, 19598, 19837, 39674, 139523, 279046, 401759, 803518, 813317, 1626634, 33345997, 66691994]

約数ペア:

[(1, 66691994), (2, 33345997), (41, 1626634), (82, 813317), (83, 803518), (166, 401759), (239, 279046), (478, 139523), (1681, 39674), (3362, 19837), (3403, 19598), (6806, 9799)]