81688816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{464141}}^1$

素因数の和:464160

約数の個数: 20

約数和(自身を含む): 172660824

約数和(自身を除く): 90972008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 464141, 928282, 1856564, 3713128, 5105551, 7426256, 10211102, 20422204, 40844408, 81688816]

約数ペア:

[(1, 81688816), (2, 40844408), (4, 20422204), (8, 10211102), (11, 7426256), (16, 5105551), (22, 3713128), (44, 1856564), (88, 928282), (176, 464141)]