28144336

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{159911}}^1$

素因数の和:159930

約数の個数: 20

約数和(自身を含む): 59487264

約数和(自身を除く): 31342928

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 159911, 319822, 639644, 1279288, 1759021, 2558576, 3518042, 7036084, 14072168, 28144336]

約数ペア:

[(1, 28144336), (2, 14072168), (4, 7036084), (8, 3518042), (11, 2558576), (16, 1759021), (22, 1279288), (44, 639644), (88, 319822), (176, 159911)]