28909072

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{42019}}^1$

素因数の和:42070

約数の個数: 20

約数和(自身を含む): 57315280

約数和(自身を除く): 28406208

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 42019, 84038, 168076, 336152, 672304, 1806817, 3613634, 7227268, 14454536, 28909072]

約数ペア:

[(1, 28909072), (2, 14454536), (4, 7227268), (8, 3613634), (16, 1806817), (43, 672304), (86, 336152), (172, 168076), (344, 84038), (688, 42019)]