80808328

素因数分解:

$2^3\times {\mathrm{193}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 153648000

約数和(自身を除く): 72839672

約数列:

[1, 2, 4, 8, 193, 199, 263, 386, 398, 526, 772, 796, 1052, 1544, 1592, 2104, 38407, 50759, 52337, 76814, 101518, 104674, 153628, 203036, 209348, 307256, 406072, 418696, 10101041, 20202082, 40404164, 80808328]

約数ペア:

[(1, 80808328), (2, 40404164), (4, 20202082), (8, 10101041), (193, 418696), (199, 406072), (263, 307256), (386, 209348), (398, 203036), (526, 153628), (772, 104674), (796, 101518), (1052, 76814), (1544, 52337), (1592, 50759), (2104, 38407)]