81553582

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 136857600

約数和(自身を除く): 55304018

約数列:

[1, 2, 11, 22, 71, 109, 142, 218, 479, 781, 958, 1199, 1562, 2398, 5269, 7739, 10538, 15478, 34009, 52211, 68018, 85129, 104422, 170258, 374099, 574321, 748198, 1148642, 3706981, 7413962, 40776791, 81553582]

約数ペア:

[(1, 81553582), (2, 40776791), (11, 7413962), (22, 3706981), (71, 1148642), (109, 748198), (142, 574321), (218, 374099), (479, 170258), (781, 104422), (958, 85129), (1199, 68018), (1562, 52211), (2398, 34009), (5269, 15478), (7739, 10538)]