129336878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 218115072

約数和(自身を除く): 88778194

約数列:

[1, 2, 11, 22, 41, 82, 223, 446, 451, 643, 902, 1286, 2453, 4906, 7073, 9143, 14146, 18286, 26363, 52726, 100573, 143389, 201146, 286778, 289993, 579986, 1577279, 3154558, 5878949, 11757898, 64668439, 129336878]

約数ペア:

[(1, 129336878), (2, 64668439), (11, 11757898), (22, 5878949), (41, 3154558), (82, 1577279), (223, 579986), (446, 289993), (451, 286778), (643, 201146), (902, 143389), (1286, 100573), (2453, 52726), (4906, 26363), (7073, 18286), (9143, 14146)]