388631984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1868423}}^1$

素因数の和:1868444

約数の個数: 20

約数和(自身を含む): 810896016

約数和(自身を除く): 422264032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1868423, 3736846, 7473692, 14947384, 24289499, 29894768, 48578998, 97157996, 194315992, 388631984]

約数ペア:

[(1, 388631984), (2, 194315992), (4, 97157996), (8, 48578998), (13, 29894768), (16, 24289499), (26, 14947384), (52, 7473692), (104, 3736846), (208, 1868423)]