11721745

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 16796160

約数和(自身を除く): 5074415

約数列:

[1, 5, 7, 35, 53, 71, 89, 265, 355, 371, 445, 497, 623, 1855, 2485, 3115, 3763, 4717, 6319, 18815, 23585, 26341, 31595, 33019, 44233, 131705, 165095, 221165, 334907, 1674535, 2344349, 11721745]

約数ペア:

[(1, 11721745), (5, 2344349), (7, 1674535), (35, 334907), (53, 221165), (71, 165095), (89, 131705), (265, 44233), (355, 33019), (371, 31595), (445, 26341), (497, 23585), (623, 18815), (1855, 6319), (2485, 4717), (3115, 3763)]