28220656

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{6863}}^1$

素因数の和:7128

約数の個数: 20

約数和(自身を含む): 54898272

約数和(自身を除く): 26677616

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 6863, 13726, 27452, 54904, 109808, 1763791, 3527582, 7055164, 14110328, 28220656]

約数ペア:

[(1, 28220656), (2, 14110328), (4, 7055164), (8, 3527582), (16, 1763791), (257, 109808), (514, 54904), (1028, 27452), (2056, 13726), (4112, 6863)]