81116816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{460891}}^1$

素因数の和:460910

約数の個数: 20

約数和(自身を含む): 171451824

約数和(自身を除く): 90335008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 460891, 921782, 1843564, 3687128, 5069801, 7374256, 10139602, 20279204, 40558408, 81116816]

約数ペア:

[(1, 81116816), (2, 40558408), (4, 20279204), (8, 10139602), (11, 7374256), (16, 5069801), (22, 3687128), (44, 1843564), (88, 921782), (176, 460891)]