2011994897

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^2$

素因数の和:171

約数の個数: 54

約数和(自身を含む): 2506108626

約数和(自身を除く): 494113729

約数列:

[1, 11, 17, 23, 43, 121, 187, 253, 391, 473, 529, 731, 989, 1849, 2057, 2783, 4301, 5203, 5819, 8041, 8993, 10879, 16813, 20339, 22747, 31433, 42527, 47311, 64009, 88451, 98923, 119669, 184943, 223729, 250217, 345763, 386699, 467797, 722959, 978121, 1088153, 2034373, 2752387, 3803393, 4253689, 5145767, 7952549, 10759331, 16628057, 46790579, 87478039, 118352641, 182908627, 2011994897]

約数ペア:

[(1, 2011994897), (11, 182908627), (17, 118352641), (23, 87478039), (43, 46790579), (121, 16628057), (187, 10759331), (253, 7952549), (391, 5145767), (473, 4253689), (529, 3803393), (731, 2752387), (989, 2034373), (1849, 1088153), (2057, 978121), (2783, 722959), (4301, 467797), (5203, 386699), (5819, 345763), (8041, 250217), (8993, 223729), (10879, 184943), (16813, 119669), (20339, 98923), (22747, 88451), (31433, 64009), (42527, 47311)]