81364415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{3617}}^1$

素因数の和:4042

約数の個数: 16

約数和(自身を含む): 106803360

約数和(自身を除く): 25438945

約数列:

[1, 5, 11, 55, 409, 2045, 3617, 4499, 18085, 22495, 39787, 198935, 1479353, 7396765, 16272883, 81364415]

約数ペア:

[(1, 81364415), (5, 16272883), (11, 7396765), (55, 1479353), (409, 198935), (2045, 39787), (3617, 22495), (4499, 18085)]