2156329

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:580

約数の個数: 16

約数和(自身を含む): 2682880

約数和(自身を除く): 526551

約数列:

[1, 7, 19, 31, 133, 217, 523, 589, 3661, 4123, 9937, 16213, 69559, 113491, 308047, 2156329]

約数ペア:

[(1, 2156329), (7, 308047), (19, 113491), (31, 69559), (133, 16213), (217, 9937), (523, 4123), (589, 3661)]