28427798

素因数分解:

$2^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{7901}}^1$

素因数の和:8167

約数の個数: 16

約数和(自身を含む): 48929184

約数和(自身を除く): 20501386

約数列:

[1, 2, 7, 14, 257, 514, 1799, 3598, 7901, 15802, 55307, 110614, 2030557, 4061114, 14213899, 28427798]

約数ペア:

[(1, 28427798), (2, 14213899), (7, 4061114), (14, 2030557), (257, 110614), (514, 55307), (1799, 15802), (3598, 7901)]