28009387

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4441}}^1$

素因数の和:4518

約数の個数: 16

約数和(自身を含む): 34540992

約数和(自身を除く): 6531605

約数列:

[1, 7, 17, 53, 119, 371, 901, 4441, 6307, 31087, 75497, 235373, 528479, 1647611, 4001341, 28009387]

約数ペア:

[(1, 28009387), (7, 4001341), (17, 1647611), (53, 528479), (119, 235373), (371, 75497), (901, 31087), (4441, 6307)]