81146504

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{235891}}^1$

素因数の和:235940

約数の個数: 16

約数和(自身を含む): 155688720

約数和(自身を除く): 74542216

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 235891, 471782, 943564, 1887128, 10143313, 20286626, 40573252, 81146504]

約数ペア:

[(1, 81146504), (2, 40573252), (4, 20286626), (8, 10143313), (43, 1887128), (86, 943564), (172, 471782), (344, 235891)]