81203512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{780803}}^1$

素因数の和:780822

約数の個数: 16

約数和(自身を含む): 163968840

約数和(自身を除く): 82765328

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 780803, 1561606, 3123212, 6246424, 10150439, 20300878, 40601756, 81203512]

約数ペア:

[(1, 81203512), (2, 40601756), (4, 20300878), (8, 10150439), (13, 6246424), (26, 3123212), (52, 1561606), (104, 780803)]