404364961

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 570802176

約数和(自身を除く): 166437215

約数列:

[1, 7, 11, 13, 31, 77, 83, 91, 143, 157, 217, 341, 403, 581, 913, 1001, 1079, 1099, 1727, 2041, 2387, 2573, 2821, 4433, 4867, 6391, 7553, 11869, 12089, 13031, 14287, 18011, 22451, 28303, 31031, 33449, 34069, 53537, 63271, 83083, 91217, 143341, 157157, 169403, 198121, 234143, 367939, 374759, 403961, 442897, 695981, 1003387, 1185821, 1863433, 2575573, 2827727, 4443571, 4871867, 5251493, 13044031, 31104997, 36760451, 57766423, 404364961]

約数ペア:

[(1, 404364961), (7, 57766423), (11, 36760451), (13, 31104997), (31, 13044031), (77, 5251493), (83, 4871867), (91, 4443571), (143, 2827727), (157, 2575573), (217, 1863433), (341, 1185821), (403, 1003387), (581, 695981), (913, 442897), (1001, 403961), (1079, 374759), (1099, 367939), (1727, 234143), (2041, 198121), (2387, 169403), (2573, 157157), (2821, 143341), (4433, 91217), (4867, 83083), (6391, 63271), (7553, 53537), (11869, 34069), (12089, 33449), (13031, 31031), (14287, 28303), (18011, 22451)]