28684457

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:416

約数の個数: 16

約数和(自身を含む): 31248000

約数和(自身を除く): 2563543

約数列:

[1, 17, 61, 139, 199, 1037, 2363, 3383, 8479, 12139, 27661, 144143, 206363, 470237, 1687321, 28684457]

約数ペア:

[(1, 28684457), (17, 1687321), (61, 470237), (139, 206363), (199, 144143), (1037, 27661), (2363, 12139), (3383, 8479)]