199938906

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{258319}}^1$

素因数の和:258370

約数の個数: 24

約数和(自身を含む): 443277120

約数和(自身を除く): 243338214

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 258319, 516638, 774957, 1549914, 2324871, 4649742, 11107717, 22215434, 33323151, 66646302, 99969453, 199938906]

約数ペア:

[(1, 199938906), (2, 99969453), (3, 66646302), (6, 33323151), (9, 22215434), (18, 11107717), (43, 4649742), (86, 2324871), (129, 1549914), (258, 774957), (387, 516638), (774, 258319)]