396965336

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{21773}}^1$

素因数の和:21875

約数の個数: 32

約数和(自身を含む): 776025360

約数和(自身を除く): 379060024

約数列:

[1, 2, 4, 8, 43, 53, 86, 106, 172, 212, 344, 424, 2279, 4558, 9116, 18232, 21773, 43546, 87092, 174184, 936239, 1153969, 1872478, 2307938, 3744956, 4615876, 7489912, 9231752, 49620667, 99241334, 198482668, 396965336]

約数ペア:

[(1, 396965336), (2, 198482668), (4, 99241334), (8, 49620667), (43, 9231752), (53, 7489912), (86, 4615876), (106, 3744956), (172, 2307938), (212, 1872478), (344, 1153969), (424, 936239), (2279, 174184), (4558, 87092), (9116, 43546), (18232, 21773)]