31270990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{6343}}^1$

素因数の和:6396

約数の個数: 32

約数和(自身を含む): 61663680

約数和(自身を除く): 30392690

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4930, 6343, 12686, 31715, 63430, 107831, 183947, 215662, 367894, 539155, 919735, 1078310, 1839470, 3127099, 6254198, 15635495, 31270990]

約数ペア:

[(1, 31270990), (2, 15635495), (5, 6254198), (10, 3127099), (17, 1839470), (29, 1078310), (34, 919735), (58, 539155), (85, 367894), (145, 215662), (170, 183947), (290, 107831), (493, 63430), (986, 31715), (2465, 12686), (4930, 6343)]