780097945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{1867}}^1$

素因数の和:2061

約数の個数: 32

約数和(自身を含む): 1045840896

約数和(自身を除く): 265742951

約数列:

[1, 5, 11, 55, 71, 107, 355, 535, 781, 1177, 1867, 3905, 5885, 7597, 9335, 20537, 37985, 83567, 102685, 132557, 199769, 417835, 662785, 998845, 1458127, 2197459, 7290635, 10987295, 14183599, 70917995, 156019589, 780097945]

約数ペア:

[(1, 780097945), (5, 156019589), (11, 70917995), (55, 14183599), (71, 10987295), (107, 7290635), (355, 2197459), (535, 1458127), (781, 998845), (1177, 662785), (1867, 417835), (3905, 199769), (5885, 132557), (7597, 102685), (9335, 83567), (20537, 37985)]