249830581

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 354041856

約数和(自身を除く): 104211275

約数列:

[1, 7, 11, 13, 31, 77, 83, 91, 97, 143, 217, 341, 403, 581, 679, 913, 1001, 1067, 1079, 1261, 2387, 2573, 2821, 3007, 4433, 6391, 7469, 7553, 8051, 8827, 11869, 13871, 18011, 21049, 28303, 31031, 33077, 33449, 39091, 56357, 83083, 88561, 97097, 104663, 198121, 231539, 234143, 249581, 273637, 367939, 430001, 619927, 732641, 1151293, 1747067, 2575573, 2745391, 3010007, 3244553, 8059051, 19217737, 22711871, 35690083, 249830581]

約数ペア:

[(1, 249830581), (7, 35690083), (11, 22711871), (13, 19217737), (31, 8059051), (77, 3244553), (83, 3010007), (91, 2745391), (97, 2575573), (143, 1747067), (217, 1151293), (341, 732641), (403, 619927), (581, 430001), (679, 367939), (913, 273637), (1001, 249581), (1067, 234143), (1079, 231539), (1261, 198121), (2387, 104663), (2573, 97097), (2821, 88561), (3007, 83083), (4433, 56357), (6391, 39091), (7469, 33449), (7553, 33077), (8051, 31031), (8827, 28303), (11869, 21049), (13871, 18011)]