28161724

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 27721796

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 71, 76, 142, 284, 307, 323, 614, 646, 1207, 1228, 1292, 1349, 2414, 2698, 4828, 5219, 5396, 5833, 10438, 11666, 20876, 21797, 22933, 23332, 43594, 45866, 87188, 91732, 99161, 198322, 370549, 396644, 414143, 741098, 828286, 1482196, 1656572, 7040431, 14080862, 28161724]

約数ペア:

[(1, 28161724), (2, 14080862), (4, 7040431), (17, 1656572), (19, 1482196), (34, 828286), (38, 741098), (68, 414143), (71, 396644), (76, 370549), (142, 198322), (284, 99161), (307, 91732), (323, 87188), (614, 45866), (646, 43594), (1207, 23332), (1228, 22933), (1292, 21797), (1349, 20876), (2414, 11666), (2698, 10438), (4828, 5833), (5219, 5396)]