68474791

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20681}}^1$

素因数の和:20742

約数の個数: 16

約数和(自身を含む): 87360768

約数和(自身を除く): 18885977

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 20681, 144767, 227491, 889283, 1592437, 6224981, 9782113, 68474791]

約数ペア:

[(1, 68474791), (7, 9782113), (11, 6224981), (43, 1592437), (77, 889283), (301, 227491), (473, 144767), (3311, 20681)]