12990089

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:580

約数の個数: 16

約数和(自身を含む): 15344640

約数和(自身を除く): 2354551

約数列:

[1, 7, 59, 71, 413, 443, 497, 3101, 4189, 26137, 29323, 31453, 182959, 220171, 1855727, 12990089]

約数ペア:

[(1, 12990089), (7, 1855727), (59, 220171), (71, 182959), (413, 31453), (443, 29323), (497, 26137), (3101, 4189)]