247079161

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{20021}}^1$

素因数の和:20112

約数の個数: 16

約数和(自身を含む): 296005248

約数和(自身を除く): 48926087

約数列:

[1, 7, 41, 43, 287, 301, 1763, 12341, 20021, 140147, 820861, 860903, 5746027, 6026321, 35297023, 247079161]

約数ペア:

[(1, 247079161), (7, 35297023), (41, 6026321), (43, 5746027), (287, 860903), (301, 820861), (1763, 140147), (12341, 20021)]