12921556

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:583

約数の個数: 24

約数和(自身を含む): 23179520

約数和(自身を除く): 10257964

約数列:

[1, 2, 4, 79, 103, 158, 206, 316, 397, 412, 794, 1588, 8137, 16274, 31363, 32548, 40891, 62726, 81782, 125452, 163564, 3230389, 6460778, 12921556]

約数ペア:

[(1, 12921556), (2, 6460778), (4, 3230389), (79, 163564), (103, 125452), (158, 81782), (206, 62726), (316, 40891), (397, 32548), (412, 31363), (794, 16274), (1588, 8137)]