56401681

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{8147}}^1$

素因数の和:8220

約数の個数: 16

約数和(自身を含む): 68834304

約数和(自身を除く): 12432623

約数列:

[1, 7, 23, 43, 161, 301, 989, 6923, 8147, 57029, 187381, 350321, 1311667, 2452247, 8057383, 56401681]

約数ペア:

[(1, 56401681), (7, 8057383), (23, 2452247), (43, 1311667), (161, 350321), (301, 187381), (989, 57029), (6923, 8147)]