26889616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{129277}}^1$

素因数の和:129298

約数の個数: 20

約数和(自身を含む): 56106652

約数和(自身を除く): 29217036

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 129277, 258554, 517108, 1034216, 1680601, 2068432, 3361202, 6722404, 13444808, 26889616]

約数ペア:

[(1, 26889616), (2, 13444808), (4, 6722404), (8, 3361202), (13, 2068432), (16, 1680601), (26, 1034216), (52, 517108), (104, 258554), (208, 129277)]