78513421

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{15731}}^1$

素因数の和:15792

約数の個数: 16

約数和(自身を含む): 96657408

約数和(自身を除く): 18143987

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 15731, 110117, 361813, 487661, 2532691, 3413627, 11216203, 78513421]

約数ペア:

[(1, 78513421), (7, 11216203), (23, 3413627), (31, 2532691), (161, 487661), (217, 361813), (713, 110117), (4991, 15731)]