28166032

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{40939}}^1$

素因数の和:40990

約数の個数: 20

約数和(自身を含む): 55842160

約数和(自身を除く): 27676128

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 40939, 81878, 163756, 327512, 655024, 1760377, 3520754, 7041508, 14083016, 28166032]

約数ペア:

[(1, 28166032), (2, 14083016), (4, 7041508), (8, 3520754), (16, 1760377), (43, 655024), (86, 327512), (172, 163756), (344, 81878), (688, 40939)]