1520550031

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2579}}^1$

素因数の和:2660

約数の個数: 64

約数和(自身を含む): 2219212800

約数和(自身を除く): 698662769

約数列:

[1, 7, 11, 13, 19, 31, 77, 91, 133, 143, 209, 217, 247, 341, 403, 589, 1001, 1463, 1729, 2387, 2579, 2717, 2821, 4123, 4433, 6479, 7657, 18053, 19019, 28369, 31031, 33527, 45353, 49001, 53599, 79949, 84227, 198583, 234689, 343007, 368797, 539011, 559643, 589589, 637013, 879439, 1039337, 1519031, 2581579, 3773077, 4459091, 6156073, 7007143, 7275359, 10633217, 11432707, 16709341, 19747403, 49050001, 80028949, 116965387, 138231821, 217221433, 1520550031]

約数ペア:

[(1, 1520550031), (7, 217221433), (11, 138231821), (13, 116965387), (19, 80028949), (31, 49050001), (77, 19747403), (91, 16709341), (133, 11432707), (143, 10633217), (209, 7275359), (217, 7007143), (247, 6156073), (341, 4459091), (403, 3773077), (589, 2581579), (1001, 1519031), (1463, 1039337), (1729, 879439), (2387, 637013), (2579, 589589), (2717, 559643), (2821, 539011), (4123, 368797), (4433, 343007), (6479, 234689), (7657, 198583), (18053, 84227), (19019, 79949), (28369, 53599), (31031, 49001), (33527, 45353)]