289997444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1993}}^1\times {\mathrm{3307}}^1$

素因数の和:5315

約数の個数: 24

約数和(自身を含む): 554076768

約数和(自身を除く): 264079324

約数列:

[1, 2, 4, 11, 22, 44, 1993, 3307, 3986, 6614, 7972, 13228, 21923, 36377, 43846, 72754, 87692, 145508, 6590851, 13181702, 26363404, 72499361, 144998722, 289997444]

約数ペア:

[(1, 289997444), (2, 144998722), (4, 72499361), (11, 26363404), (22, 13181702), (44, 6590851), (1993, 145508), (3307, 87692), (3986, 72754), (6614, 43846), (7972, 36377), (13228, 21923)]