217552394

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 353717760

約数和(自身を除く): 136165366

約数列:

[1, 2, 19, 38, 43, 86, 211, 422, 631, 817, 1262, 1634, 4009, 8018, 9073, 11989, 18146, 23978, 27133, 54266, 133141, 172387, 266282, 344774, 515527, 1031054, 2529679, 5059358, 5725063, 11450126, 108776197, 217552394]

約数ペア:

[(1, 217552394), (2, 108776197), (19, 11450126), (38, 5725063), (43, 5059358), (86, 2529679), (211, 1031054), (422, 515527), (631, 344774), (817, 266282), (1262, 172387), (1634, 133141), (4009, 54266), (8018, 27133), (9073, 23978), (11989, 18146)]