54642665

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2093

約数の個数: 32

約数和(自身を含む): 82944000

約数和(自身を除く): 28301335

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 355, 385, 497, 781, 1999, 2485, 3905, 5467, 9995, 13993, 21989, 27335, 69965, 109945, 141929, 153923, 709645, 769615, 993503, 1561219, 4967515, 7806095, 10928533, 54642665]

約数ペア:

[(1, 54642665), (5, 10928533), (7, 7806095), (11, 4967515), (35, 1561219), (55, 993503), (71, 769615), (77, 709645), (355, 153923), (385, 141929), (497, 109945), (781, 69965), (1999, 27335), (2485, 21989), (3905, 13993), (5467, 9995)]