28091128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1051}}^1$

素因数の和:1327

約数の個数: 32

約数和(自身を含む): 56997360

約数和(自身を除く): 28906232

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 257, 514, 1028, 1051, 2056, 2102, 3341, 4204, 6682, 8408, 13364, 13663, 26728, 27326, 54652, 109304, 270107, 540214, 1080428, 2160856, 3511391, 7022782, 14045564, 28091128]

約数ペア:

[(1, 28091128), (2, 14045564), (4, 7022782), (8, 3511391), (13, 2160856), (26, 1080428), (52, 540214), (104, 270107), (257, 109304), (514, 54652), (1028, 27326), (1051, 26728), (2056, 13663), (2102, 13364), (3341, 8408), (4204, 6682)]