30871519

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{7079}}^1$

素因数の和:7182

約数の個数: 12

約数和(自身を含む): 36320400

約数和(自身を除く): 5448881

約数列:

[1, 7, 49, 89, 623, 4361, 7079, 49553, 346871, 630031, 4410217, 30871519]

約数ペア:

[(1, 30871519), (7, 4410217), (49, 630031), (89, 346871), (623, 49553), (4361, 7079)]