28381619

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3019}}^1$

素因数の和:3122

約数の個数: 16

約数和(自身を含む): 34790400

約数和(自身を除く): 6408781

約数列:

[1, 7, 17, 79, 119, 553, 1343, 3019, 9401, 21133, 51323, 238501, 359261, 1669507, 4054517, 28381619]

約数ペア:

[(1, 28381619), (7, 4054517), (17, 1669507), (79, 359261), (119, 238501), (553, 51323), (1343, 21133), (3019, 9401)]