280056721

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1\times {\mathrm{1447}}^1$

素因数の和:2140

約数の個数: 16

約数和(自身を含む): 328244224

約数和(自身を除く): 48187503

約数列:

[1, 7, 43, 301, 643, 1447, 4501, 10129, 27649, 62221, 193543, 435547, 930421, 6512947, 40008103, 280056721]

約数ペア:

[(1, 280056721), (7, 40008103), (43, 6512947), (301, 930421), (643, 435547), (1447, 193543), (4501, 62221), (10129, 27649)]