81280408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{923641}}^1$

素因数の和:923658

約数の個数: 16

約数和(自身を含む): 166255560

約数和(自身を除く): 84975152

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 923641, 1847282, 3694564, 7389128, 10160051, 20320102, 40640204, 81280408]

約数ペア:

[(1, 81280408), (2, 40640204), (4, 20320102), (8, 10160051), (11, 7389128), (22, 3694564), (44, 1847282), (88, 923641)]