77777799668

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1\times {\mathrm{20149}}^1$

素因数の和:20600

約数の個数: 48

約数和(自身を含む): 142584624000

約数和(自身を除く): 64806824332

約数列:

[1, 2, 4, 29, 58, 107, 116, 214, 311, 428, 622, 1244, 3103, 6206, 9019, 12412, 18038, 20149, 33277, 36076, 40298, 66554, 80596, 133108, 584321, 965033, 1168642, 1930066, 2155943, 2337284, 3860132, 4311886, 6266339, 8623772, 12532678, 25065356, 62522347, 125044694, 181723831, 250089388, 363447662, 670498273, 726895324, 1340996546, 2681993092, 19444449917, 38888899834, 77777799668]

約数ペア:

[(1, 77777799668), (2, 38888899834), (4, 19444449917), (29, 2681993092), (58, 1340996546), (107, 726895324), (116, 670498273), (214, 363447662), (311, 250089388), (428, 181723831), (622, 125044694), (1244, 62522347), (3103, 25065356), (6206, 12532678), (9019, 8623772), (12412, 6266339), (18038, 4311886), (20149, 3860132), (33277, 2337284), (36076, 2155943), (40298, 1930066), (66554, 1168642), (80596, 965033), (133108, 584321)]