4066321

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:264

約数の個数: 16

約数和(自身を含む): 4821120

約数和(自身を除く): 754799

約数列:

[1, 7, 61, 89, 107, 427, 623, 749, 5429, 6527, 9523, 38003, 45689, 66661, 580903, 4066321]

約数ペア:

[(1, 4066321), (7, 580903), (61, 66661), (89, 45689), (107, 38003), (427, 9523), (623, 6527), (749, 5429)]