12987874

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:689

約数の個数: 16

約数和(自身を含む): 19852128

約数和(自身を除く): 6864254

約数列:

[1, 2, 107, 137, 214, 274, 443, 886, 14659, 29318, 47401, 60691, 94802, 121382, 6493937, 12987874]

約数ペア:

[(1, 12987874), (2, 6493937), (107, 121382), (137, 94802), (214, 60691), (274, 47401), (443, 29318), (886, 14659)]