257955128

素因数分解:

$2^3\times {\mathrm{1531}}^1\times {\mathrm{21061}}^1$

素因数の和:22598

約数の個数: 16

約数和(自身を含む): 484004760

約数和(自身を除く): 226049632

約数列:

[1, 2, 4, 8, 1531, 3062, 6124, 12248, 21061, 42122, 84244, 168488, 32244391, 64488782, 128977564, 257955128]

約数ペア:

[(1, 257955128), (2, 128977564), (4, 64488782), (8, 32244391), (1531, 168488), (3062, 84244), (6124, 42122), (12248, 21061)]