28729085

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 43628544

約数和(自身を除く): 14899459

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 355, 385, 497, 781, 1051, 2485, 3905, 5255, 5467, 7357, 11561, 27335, 36785, 57805, 74621, 80927, 373105, 404635, 522347, 820831, 2611735, 4104155, 5745817, 28729085]

約数ペア:

[(1, 28729085), (5, 5745817), (7, 4104155), (11, 2611735), (35, 820831), (55, 522347), (71, 404635), (77, 373105), (355, 80927), (385, 74621), (497, 57805), (781, 36785), (1051, 27335), (2485, 11561), (3905, 7357), (5255, 5467)]