86904419

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{12553}}^1$

素因数の和:12626

約数の個数: 16

約数和(自身を含む): 106056192

約数和(自身を除く): 19151773

約数列:

[1, 7, 23, 43, 161, 301, 989, 6923, 12553, 87871, 288719, 539779, 2021033, 3778453, 12414917, 86904419]

約数ペア:

[(1, 86904419), (7, 12414917), (23, 3778453), (43, 2021033), (161, 539779), (301, 288719), (989, 87871), (6923, 12553)]