81141268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1560409}}^1$

素因数の和:1560426

約数の個数: 12

約数和(自身を含む): 152920180

約数和(自身を除く): 71778912

約数列:

[1, 2, 4, 13, 26, 52, 1560409, 3120818, 6241636, 20285317, 40570634, 81141268]

約数ペア:

[(1, 81141268), (2, 40570634), (4, 20285317), (13, 6241636), (26, 3120818), (52, 1560409)]