218738168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{21997}}^1$

素因数の和:22127

約数の個数: 32

約数和(自身を含む): 451398960

約数和(自身を除く): 232660792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 226, 452, 904, 1243, 2486, 4972, 9944, 21997, 43994, 87988, 175976, 241967, 483934, 967868, 1935736, 2485661, 4971322, 9942644, 19885288, 27342271, 54684542, 109369084, 218738168]

約数ペア:

[(1, 218738168), (2, 109369084), (4, 54684542), (8, 27342271), (11, 19885288), (22, 9942644), (44, 4971322), (88, 2485661), (113, 1935736), (226, 967868), (452, 483934), (904, 241967), (1243, 175976), (2486, 87988), (4972, 43994), (9944, 21997)]