65987761

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2141}}^1$

素因数の和:2209

約数の個数: 24

約数和(自身を含む): 83512296

約数和(自身を除く): 17524535

約数列:

[1, 7, 17, 37, 49, 119, 259, 629, 833, 1813, 2141, 4403, 14987, 30821, 36397, 79217, 104909, 254779, 554519, 1346689, 1783453, 3881633, 9426823, 65987761]

約数ペア:

[(1, 65987761), (7, 9426823), (17, 3881633), (37, 1783453), (49, 1346689), (119, 554519), (259, 254779), (629, 104909), (833, 79217), (1813, 36397), (2141, 30821), (4403, 14987)]