890403988

素因数分解:

$2^2\times {\mathrm{269}}^1\times {\mathrm{647}}^1\times {\mathrm{1279}}^1$

素因数の和:2199

約数の個数: 24

約数和(自身を含む): 1567641600

約数和(自身を除く): 677237612

約数列:

[1, 2, 4, 269, 538, 647, 1076, 1279, 1294, 2558, 2588, 5116, 174043, 344051, 348086, 688102, 696172, 827513, 1376204, 1655026, 3310052, 222600997, 445201994, 890403988]

約数ペア:

[(1, 890403988), (2, 445201994), (4, 222600997), (269, 3310052), (538, 1655026), (647, 1376204), (1076, 827513), (1279, 696172), (1294, 688102), (2558, 348086), (2588, 344051), (5116, 174043)]