208065319

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{10433}}^1$

素因数の和:10495

約数の個数: 24

約数和(自身を含む): 271200528

約数和(自身を除く): 63135209

約数列:

[1, 7, 11, 37, 49, 77, 259, 407, 539, 1813, 2849, 10433, 19943, 73031, 114763, 386021, 511217, 803341, 2702147, 4246231, 5623387, 18915029, 29723617, 208065319]

約数ペア:

[(1, 208065319), (7, 29723617), (11, 18915029), (37, 5623387), (49, 4246231), (77, 2702147), (259, 803341), (407, 511217), (539, 386021), (1813, 114763), (2849, 73031), (10433, 19943)]