397079428

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{647}}^1\times {\mathrm{2161}}^1$

素因数の和:2883

約数の個数: 24

約数和(自身を含む): 706091904

約数和(自身を除く): 309012476

約数列:

[1, 2, 4, 71, 142, 284, 647, 1294, 2161, 2588, 4322, 8644, 45937, 91874, 153431, 183748, 306862, 613724, 1398167, 2796334, 5592668, 99269857, 198539714, 397079428]

約数ペア:

[(1, 397079428), (2, 198539714), (4, 99269857), (71, 5592668), (142, 2796334), (284, 1398167), (647, 613724), (1294, 306862), (2161, 183748), (2588, 153431), (4322, 91874), (8644, 45937)]