81654713

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1\times {\mathrm{659}}^1$

素因数の和:1268

約数の個数: 16

約数和(自身を含む): 96645120

約数和(自身を除く): 14990407

約数列:

[1, 7, 31, 217, 571, 659, 3997, 4613, 17701, 20429, 123907, 143003, 376289, 2634023, 11664959, 81654713]

約数ペア:

[(1, 81654713), (7, 11664959), (31, 2634023), (217, 376289), (571, 143003), (659, 123907), (3997, 20429), (4613, 17701)]