1720239945215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1801}}^1\times {\mathrm{914027}}^1$

素因数の和:915863

約数の個数: 32

約数和(自身を含む): 2371792976640

約数和(自身を除く): 651553031425

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 1801, 9005, 19811, 34219, 99055, 171095, 376409, 914027, 1882045, 4570135, 10054297, 17366513, 50271485, 86832565, 191031643, 955158215, 1646162627, 8230813135, 18107788897, 31277089913, 90538944485, 156385449565, 344047989043, 1720239945215]

約数ペア:

[(1, 1720239945215), (5, 344047989043), (11, 156385449565), (19, 90538944485), (55, 31277089913), (95, 18107788897), (209, 8230813135), (1045, 1646162627), (1801, 955158215), (9005, 191031643), (19811, 86832565), (34219, 50271485), (99055, 17366513), (171095, 10054297), (376409, 4570135), (914027, 1882045)]