28506244

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{42169}}^1$

素因数の和:42199

約数の個数: 18

約数和(自身を含む): 54019770

約数和(自身を除く): 25513526

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 42169, 84338, 168676, 548197, 1096394, 2192788, 7126561, 14253122, 28506244]

約数ペア:

[(1, 28506244), (2, 14253122), (4, 7126561), (13, 2192788), (26, 1096394), (52, 548197), (169, 168676), (338, 84338), (676, 42169)]