66402161

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1\times {\mathrm{571}}^1$

素因数の和:1064

約数の個数: 16

約数和(自身を含む): 78249600

約数和(自身を除く): 11847439

約数列:

[1, 7, 37, 259, 449, 571, 3143, 3997, 16613, 21127, 116291, 147889, 256379, 1794653, 9486023, 66402161]

約数ペア:

[(1, 66402161), (7, 9486023), (37, 1794653), (259, 256379), (449, 147889), (571, 116291), (3143, 21127), (3997, 16613)]