81199928

素因数分解:

$2^3\times {\mathrm{1039}}^1\times {\mathrm{9769}}^1$

素因数の和:10814

約数の個数: 16

約数和(自身を含む): 152412000

約数和(自身を除く): 71212072

約数列:

[1, 2, 4, 8, 1039, 2078, 4156, 8312, 9769, 19538, 39076, 78152, 10149991, 20299982, 40599964, 81199928]

約数ペア:

[(1, 81199928), (2, 40599964), (4, 20299982), (8, 10149991), (1039, 78152), (2078, 39076), (4156, 19538), (8312, 9769)]