12019945

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 17039808

約数和(自身を除く): 5019863

約数列:

[1, 5, 7, 35, 49, 71, 245, 355, 497, 691, 2485, 3455, 3479, 4837, 17395, 24185, 33859, 49061, 169295, 245305, 343427, 1717135, 2403989, 12019945]

約数ペア:

[(1, 12019945), (5, 2403989), (7, 1717135), (35, 343427), (49, 245305), (71, 169295), (245, 49061), (355, 33859), (497, 24185), (691, 17395), (2485, 4837), (3455, 3479)]