28717981

素因数分解:

${\mathrm{17}}^1\times {\mathrm{73}}^2\times {\mathrm{317}}^1$

素因数の和:480

約数の個数: 12

約数和(自身を含む): 30926772

約数和(自身を除く): 2208791

約数列:

[1, 17, 73, 317, 1241, 5329, 5389, 23141, 90593, 393397, 1689293, 28717981]

約数ペア:

[(1, 28717981), (17, 1689293), (73, 393397), (317, 90593), (1241, 23141), (5329, 5389)]