859617620

素因数分解:

$2^2\times 5^1\times {\mathrm{3457}}^1\times {\mathrm{12433}}^1$

素因数の和:15899

約数の個数: 24

約数和(自身を含む): 1805864424

約数和(自身を除く): 946246804

約数列:

[1, 2, 4, 5, 10, 20, 3457, 6914, 12433, 13828, 17285, 24866, 34570, 49732, 62165, 69140, 124330, 248660, 42980881, 85961762, 171923524, 214904405, 429808810, 859617620]

約数ペア:

[(1, 859617620), (2, 429808810), (4, 214904405), (5, 171923524), (10, 85961762), (20, 42980881), (3457, 248660), (6914, 124330), (12433, 69140), (13828, 62165), (17285, 49732), (24866, 34570)]