13221760895

素因数分解:

$5^1\times 7^2\times {\mathrm{53966371}}^1$

素因数の和:53966390

約数の個数: 12

約数和(自身を含む): 18456499224

約数和(自身を除く): 5234738329

約数列:

[1, 5, 7, 35, 49, 245, 53966371, 269831855, 377764597, 1888822985, 2644352179, 13221760895]

約数ペア:

[(1, 13221760895), (5, 2644352179), (7, 1888822985), (35, 377764597), (49, 269831855), (245, 53966371)]