28265744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135893}}^1$

素因数の和:135914

約数の個数: 20

約数和(自身を含む): 58977996

約数和(自身を除く): 30712252

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135893, 271786, 543572, 1087144, 1766609, 2174288, 3533218, 7066436, 14132872, 28265744]

約数ペア:

[(1, 28265744), (2, 14132872), (4, 7066436), (8, 3533218), (13, 2174288), (16, 1766609), (26, 1087144), (52, 543572), (104, 271786), (208, 135893)]