509840639

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{85991}}^1$

素因数の和:86027

約数の個数: 18

約数和(自身を含む): 651905352

約数和(自身を除く): 142064713

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 85991, 601937, 945901, 4213559, 6621307, 10404911, 46349149, 72834377, 509840639]

約数ペア:

[(1, 509840639), (7, 72834377), (11, 46349149), (49, 10404911), (77, 6621307), (121, 4213559), (539, 945901), (847, 601937), (5929, 85991)]