81499654

素因数分解:

$2^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1\times {\mathrm{1061}}^1$

素因数の和:1455

約数の個数: 16

約数和(自身を含む): 123616800

約数和(自身を除く): 42117146

約数列:

[1, 2, 193, 199, 386, 398, 1061, 2122, 38407, 76814, 204773, 211139, 409546, 422278, 40749827, 81499654]

約数ペア:

[(1, 81499654), (2, 40749827), (193, 422278), (199, 409546), (386, 211139), (398, 204773), (1061, 76814), (2122, 38407)]