12889653

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 20618496

約数和(自身を除く): 7728843

約数列:

[1, 3, 7, 21, 37, 53, 111, 159, 259, 313, 371, 777, 939, 1113, 1961, 2191, 5883, 6573, 11581, 13727, 16589, 34743, 41181, 49767, 81067, 116123, 243201, 348369, 613793, 1841379, 4296551, 12889653]

約数ペア:

[(1, 12889653), (3, 4296551), (7, 1841379), (21, 613793), (37, 348369), (53, 243201), (111, 116123), (159, 81067), (259, 49767), (313, 41181), (371, 34743), (777, 16589), (939, 13727), (1113, 11581), (1961, 6573), (2191, 5883)]