81323578

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{135089}}^1$

素因数の和:135141

約数の個数: 16

約数和(自身を含む): 142655040

約数和(自身を除く): 61331462

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 135089, 270178, 945623, 1891246, 5808827, 11617654, 40661789, 81323578]

約数ペア:

[(1, 81323578), (2, 40661789), (7, 11617654), (14, 5808827), (43, 1891246), (86, 945623), (301, 270178), (602, 135089)]