28005728

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{20353}}^1$

素因数の和:20406

約数の個数: 24

約数和(自身を含む): 56421288

約数和(自身を除く): 28415560

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 20353, 40706, 81412, 162824, 325648, 651296, 875179, 1750358, 3500716, 7001432, 14002864, 28005728]

約数ペア:

[(1, 28005728), (2, 14002864), (4, 7001432), (8, 3500716), (16, 1750358), (32, 875179), (43, 651296), (86, 325648), (172, 162824), (344, 81412), (688, 40706), (1376, 20353)]