28387144

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{208729}}^1$

素因数の和:208752

約数の個数: 16

約数和(自身を含む): 56357100

約数和(自身を除く): 27969956

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 208729, 417458, 834916, 1669832, 3548393, 7096786, 14193572, 28387144]

約数ペア:

[(1, 28387144), (2, 14193572), (4, 7096786), (8, 3548393), (17, 1669832), (34, 834916), (68, 417458), (136, 208729)]