27890144

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{20269}}^1$

素因数の和:20322

約数の個数: 24

約数和(自身を含む): 56188440

約数和(自身を除く): 28298296

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 20269, 40538, 81076, 162152, 324304, 648608, 871567, 1743134, 3486268, 6972536, 13945072, 27890144]

約数ペア:

[(1, 27890144), (2, 13945072), (4, 6972536), (8, 3486268), (16, 1743134), (32, 871567), (43, 648608), (86, 324304), (172, 162152), (344, 81076), (688, 40538), (1376, 20269)]