28775495

素因数分解:

$5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1753}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 40791024

約数和(自身を除く): 12015529

約数列:

[1, 5, 7, 35, 49, 67, 245, 335, 469, 1753, 2345, 3283, 8765, 12271, 16415, 61355, 85897, 117451, 429485, 587255, 822157, 4110785, 5755099, 28775495]

約数ペア:

[(1, 28775495), (5, 5755099), (7, 4110785), (35, 822157), (49, 587255), (67, 429485), (245, 117451), (335, 85897), (469, 61355), (1753, 16415), (2345, 12271), (3283, 8765)]