81890576

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{119027}}^1$

素因数の和:119078

約数の個数: 20

約数和(自身を含む): 162354192

約数和(自身を除く): 80463616

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 119027, 238054, 476108, 952216, 1904432, 5118161, 10236322, 20472644, 40945288, 81890576]

約数ペア:

[(1, 81890576), (2, 40945288), (4, 20472644), (8, 10236322), (16, 5118161), (43, 1904432), (86, 952216), (172, 476108), (344, 238054), (688, 119027)]