28126816

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{20441}}^1$

素因数の和:20494

約数の個数: 24

約数和(自身を含む): 56665224

約数和(自身を除く): 28538408

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 20441, 40882, 81764, 163528, 327056, 654112, 878963, 1757926, 3515852, 7031704, 14063408, 28126816]

約数ペア:

[(1, 28126816), (2, 14063408), (4, 7031704), (8, 3515852), (16, 1757926), (32, 878963), (43, 654112), (86, 327056), (172, 163528), (344, 81764), (688, 40882), (1376, 20441)]