28167895

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6763}}^1$

素因数の和:6799

約数の個数: 24

約数和(自身を含む): 41639184

約数和(自身を除く): 13471289

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 6763, 33815, 47341, 114971, 236705, 331387, 574855, 804797, 1656935, 4023985, 5633579, 28167895]

約数ペア:

[(1, 28167895), (5, 5633579), (7, 4023985), (17, 1656935), (35, 804797), (49, 574855), (85, 331387), (119, 236705), (245, 114971), (595, 47341), (833, 33815), (4165, 6763)]