129351424

素因数分解:

$2^8\times {\mathrm{505279}}^1$

素因数の和:505295

約数の個数: 18

約数和(自身を含む): 258198080

約数和(自身を除く): 128846656

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 505279, 1010558, 2021116, 4042232, 8084464, 16168928, 32337856, 64675712, 129351424]

約数ペア:

[(1, 129351424), (2, 64675712), (4, 32337856), (8, 16168928), (16, 8084464), (32, 4042232), (64, 2021116), (128, 1010558), (256, 505279)]