1090999

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 1415680

約数和(自身を除く): 324681

約数列:

[1, 7, 13, 19, 91, 133, 247, 631, 1729, 4417, 8203, 11989, 57421, 83923, 155857, 1090999]

約数ペア:

[(1, 1090999), (7, 155857), (13, 83923), (19, 57421), (91, 11989), (133, 8203), (247, 4417), (631, 1729)]