8243455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2111}}^1$

素因数の和:2198

約数の個数: 16

約数和(自身を含む): 10948608

約数和(自身を除く): 2705153

約数列:

[1, 5, 11, 55, 71, 355, 781, 2111, 3905, 10555, 23221, 116105, 149881, 749405, 1648691, 8243455]

約数ペア:

[(1, 8243455), (5, 1648691), (11, 749405), (55, 149881), (71, 116105), (355, 23221), (781, 10555), (2111, 3905)]