28560385

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2711}}^1$

素因数の和:2773

約数の個数: 24

約数和(自身を含む): 40810176

約数和(自身を除く): 12249791

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1505, 2107, 2711, 10535, 13555, 18977, 94885, 116573, 132839, 582865, 664195, 816011, 4080055, 5712077, 28560385]

約数ペア:

[(1, 28560385), (5, 5712077), (7, 4080055), (35, 816011), (43, 664195), (49, 582865), (215, 132839), (245, 116573), (301, 94885), (1505, 18977), (2107, 13555), (2711, 10535)]