28641305

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6763}}^1$

素因数の和:6797

約数の個数: 24

約数和(自身を含む): 43181376

約数和(自身を除く): 14540071

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 6763, 33815, 47341, 74393, 236705, 371965, 520751, 818323, 2603755, 4091615, 5728261, 28641305]

約数ペア:

[(1, 28641305), (5, 5728261), (7, 4091615), (11, 2603755), (35, 818323), (55, 520751), (77, 371965), (121, 236705), (385, 74393), (605, 47341), (847, 33815), (4235, 6763)]