128291317

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{38747}}^1$

素因数の和:38808

約数の個数: 16

約数和(自身を含む): 163671552

約数和(自身を除く): 35380235

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 38747, 271229, 426217, 1666121, 2983519, 11662847, 18327331, 128291317]

約数ペア:

[(1, 128291317), (7, 18327331), (11, 11662847), (43, 2983519), (77, 1666121), (301, 426217), (473, 271229), (3311, 38747)]