81315322

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{1999}}^1$

素因数の和:2098

約数の個数: 24

約数和(自身を含む): 136296000

約数和(自身を除く): 54980678

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 1849, 1999, 3698, 3998, 20339, 21989, 40678, 43978, 85957, 171914, 945527, 1891054, 3696151, 7392302, 40657661, 81315322]

約数ペア:

[(1, 81315322), (2, 40657661), (11, 7392302), (22, 3696151), (43, 1891054), (86, 945527), (473, 171914), (946, 85957), (1849, 43978), (1999, 40678), (3698, 21989), (3998, 20339)]