8991128

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 17582400

約数和(自身を除く): 8591272

約数列:

[1, 2, 4, 8, 43, 59, 86, 118, 172, 236, 344, 443, 472, 886, 1772, 2537, 3544, 5074, 10148, 19049, 20296, 26137, 38098, 52274, 76196, 104548, 152392, 209096, 1123891, 2247782, 4495564, 8991128]

約数ペア:

[(1, 8991128), (2, 4495564), (4, 2247782), (8, 1123891), (43, 209096), (59, 152392), (86, 104548), (118, 76196), (172, 52274), (236, 38098), (344, 26137), (443, 20296), (472, 19049), (886, 10148), (1772, 5074), (2537, 3544)]