28398286

素因数分解:

$2^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{2861}}^1$

素因数の和:3579

約数の個数: 16

約数和(自身を含む): 48768480

約数和(自身を除く): 20370194

約数列:

[1, 2, 7, 14, 709, 1418, 2861, 4963, 5722, 9926, 20027, 40054, 2028449, 4056898, 14199143, 28398286]

約数ペア:

[(1, 28398286), (2, 14199143), (7, 4056898), (14, 2028449), (709, 40054), (1418, 20027), (2861, 9926), (4963, 5722)]