28340785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1783}}^1$

素因数の和:1833

約数の個数: 24

約数和(自身を含む): 39433536

約数和(自身を除く): 11092751

約数列:

[1, 5, 11, 17, 55, 85, 187, 289, 935, 1445, 1783, 3179, 8915, 15895, 19613, 30311, 98065, 151555, 333421, 515287, 1667105, 2576435, 5668157, 28340785]

約数ペア:

[(1, 28340785), (5, 5668157), (11, 2576435), (17, 1667105), (55, 515287), (85, 333421), (187, 151555), (289, 98065), (935, 30311), (1445, 19613), (1783, 15895), (3179, 8915)]