28605664

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{20789}}^1$

素因数の和:20842

約数の個数: 24

約数和(自身を含む): 57629880

約数和(自身を除く): 29024216

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 20789, 41578, 83156, 166312, 332624, 665248, 893927, 1787854, 3575708, 7151416, 14302832, 28605664]

約数ペア:

[(1, 28605664), (2, 14302832), (4, 7151416), (8, 3575708), (16, 1787854), (32, 893927), (43, 665248), (86, 332624), (172, 166312), (344, 83156), (688, 41578), (1376, 20789)]