2181567289

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{242747}}^1$

素因数の和:242820

約数の個数: 16

約数和(自身を含む): 2563418880

約数和(自身を除く): 381851591

約数列:

[1, 11, 19, 43, 209, 473, 817, 8987, 242747, 2670217, 4612193, 10438121, 50734123, 114819331, 198324299, 2181567289]

約数ペア:

[(1, 2181567289), (11, 198324299), (19, 114819331), (43, 50734123), (209, 10438121), (473, 4612193), (817, 2670217), (8987, 242747)]