257092012

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{3329}}^1$

素因数の和:3825

約数の個数: 24

約数和(自身を含む): 461538000

約数和(自身を除く): 204445988

約数列:

[1, 2, 4, 43, 86, 172, 449, 898, 1796, 3329, 6658, 13316, 19307, 38614, 77228, 143147, 286294, 572588, 1494721, 2989442, 5978884, 64273003, 128546006, 257092012]

約数ペア:

[(1, 257092012), (2, 128546006), (4, 64273003), (43, 5978884), (86, 2989442), (172, 1494721), (449, 572588), (898, 286294), (1796, 143147), (3329, 77228), (6658, 38614), (13316, 19307)]