8204405

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 11031552

約数和(自身を除く): 2827147

約数列:

[1, 5, 11, 55, 71, 121, 191, 355, 605, 781, 955, 2101, 3905, 8591, 10505, 13561, 23111, 42955, 67805, 115555, 149171, 745855, 1640881, 8204405]

約数ペア:

[(1, 8204405), (5, 1640881), (11, 745855), (55, 149171), (71, 115555), (121, 67805), (191, 42955), (355, 23111), (605, 13561), (781, 10505), (955, 8591), (2101, 3905)]