9980999

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 11854080

約数和(自身を除く): 1873081

約数列:

[1, 7, 41, 83, 287, 419, 581, 2933, 3403, 17179, 23821, 34777, 120253, 243439, 1425857, 9980999]

約数ペア:

[(1, 9980999), (7, 1425857), (41, 243439), (83, 120253), (287, 34777), (419, 23821), (581, 17179), (2933, 3403)]