12859778

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:689

約数の個数: 16

約数和(自身を含む): 19680000

約数和(自身を除く): 6820222

約数列:

[1, 2, 79, 158, 199, 398, 409, 818, 15721, 31442, 32311, 64622, 81391, 162782, 6429889, 12859778]

約数ペア:

[(1, 12859778), (2, 6429889), (79, 162782), (158, 81391), (199, 64622), (398, 32311), (409, 31442), (818, 15721)]