221616703

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 300303360

約数和(自身を除く): 78686657

約数列:

[1, 7, 11, 19, 47, 77, 121, 133, 209, 293, 329, 517, 847, 893, 1463, 2051, 2299, 3223, 3619, 5567, 5687, 6251, 9823, 13771, 16093, 22561, 35453, 38969, 39809, 61237, 68761, 96397, 108053, 151481, 248171, 261649, 428659, 673607, 756371, 1060367, 1666291, 1831543, 2878139, 4715249, 11664037, 20146973, 31659529, 221616703]

約数ペア:

[(1, 221616703), (7, 31659529), (11, 20146973), (19, 11664037), (47, 4715249), (77, 2878139), (121, 1831543), (133, 1666291), (209, 1060367), (293, 756371), (329, 673607), (517, 428659), (847, 261649), (893, 248171), (1463, 151481), (2051, 108053), (2299, 96397), (3223, 68761), (3619, 61237), (5567, 39809), (5687, 38969), (6251, 35453), (9823, 22561), (13771, 16093)]