81478255

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{15187}}^1$

素因数の和:15258

約数の個数: 16

約数和(自身を含む): 103885920

約数和(自身を除く): 22407665

約数列:

[1, 5, 29, 37, 145, 185, 1073, 5365, 15187, 75935, 440423, 561919, 2202115, 2809595, 16295651, 81478255]

約数ペア:

[(1, 81478255), (5, 16295651), (29, 2809595), (37, 2202115), (145, 561919), (185, 440423), (1073, 75935), (5365, 15187)]