431920489

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{449}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 600566400

約数和(自身を除く): 168645911

約数列:

[1, 7, 11, 13, 31, 77, 91, 143, 217, 341, 403, 449, 961, 1001, 2387, 2821, 3143, 4433, 4939, 5837, 6727, 10571, 12493, 13919, 31031, 34573, 40859, 64207, 73997, 87451, 97433, 137423, 153109, 180947, 431489, 449449, 961961, 1071763, 1266629, 1990417, 3020423, 4746379, 5609357, 13932919, 33224653, 39265499, 61702927, 431920489]

約数ペア:

[(1, 431920489), (7, 61702927), (11, 39265499), (13, 33224653), (31, 13932919), (77, 5609357), (91, 4746379), (143, 3020423), (217, 1990417), (341, 1266629), (403, 1071763), (449, 961961), (961, 449449), (1001, 431489), (2387, 180947), (2821, 153109), (3143, 137423), (4433, 97433), (4939, 87451), (5837, 73997), (6727, 64207), (10571, 40859), (12493, 34573), (13919, 31031)]