257796588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{3069007}}^1$

素因数の和:3069021

約数の個数: 24

約数和(自身を含む): 687457792

約数和(自身を除く): 429661204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 3069007, 6138014, 9207021, 12276028, 18414042, 21483049, 36828084, 42966098, 64449147, 85932196, 128898294, 257796588]

約数ペア:

[(1, 257796588), (2, 128898294), (3, 85932196), (4, 64449147), (6, 42966098), (7, 36828084), (12, 21483049), (14, 18414042), (21, 12276028), (28, 9207021), (42, 6138014), (84, 3069007)]