406427128

素因数分解:

$2^3\times {\mathrm{2503}}^1\times {\mathrm{20297}}^1$

素因数の和:22806

約数の個数: 16

約数和(自身を含む): 762392880

約数和(自身を除く): 355965752

約数列:

[1, 2, 4, 8, 2503, 5006, 10012, 20024, 20297, 40594, 81188, 162376, 50803391, 101606782, 203213564, 406427128]

約数ペア:

[(1, 406427128), (2, 203213564), (4, 101606782), (8, 50803391), (2503, 162376), (5006, 81188), (10012, 40594), (20024, 20297)]