28309804

素因数分解:

$2^2\times {\mathrm{431}}^1\times {\mathrm{16421}}^1$

素因数の和:16856

約数の個数: 12

約数和(自身を含む): 49660128

約数和(自身を除く): 21350324

約数列:

[1, 2, 4, 431, 862, 1724, 16421, 32842, 65684, 7077451, 14154902, 28309804]

約数ペア:

[(1, 28309804), (2, 14154902), (4, 7077451), (431, 65684), (862, 32842), (1724, 16421)]