68620816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{389891}}^1$

素因数の和:389910

約数の個数: 20

約数和(自身を含む): 145039824

約数和(自身を除く): 76419008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 389891, 779782, 1559564, 3119128, 4288801, 6238256, 8577602, 17155204, 34310408, 68620816]

約数ペア:

[(1, 68620816), (2, 34310408), (4, 17155204), (8, 8577602), (11, 6238256), (16, 4288801), (22, 3119128), (44, 1559564), (88, 779782), (176, 389891)]