28253408

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{20533}}^1$

素因数の和:20586

約数の個数: 24

約数和(自身を含む): 56920248

約数和(自身を除く): 28666840

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 20533, 41066, 82132, 164264, 328528, 657056, 882919, 1765838, 3531676, 7063352, 14126704, 28253408]

約数ペア:

[(1, 28253408), (2, 14126704), (4, 7063352), (8, 3531676), (16, 1765838), (32, 882919), (43, 657056), (86, 328528), (172, 164264), (344, 82132), (688, 41066), (1376, 20533)]