2478987357

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{7649}}^1$

素因数の和:7754

約数の個数: 64

約数和(自身を含む): 4371148800

約数和(自身を除く): 1892161443

約数列:

[1, 3, 7, 11, 21, 23, 33, 61, 69, 77, 161, 183, 231, 253, 427, 483, 671, 759, 1281, 1403, 1771, 2013, 4209, 4697, 5313, 7649, 9821, 14091, 15433, 22947, 29463, 46299, 53543, 84139, 108031, 160629, 175927, 252417, 324093, 466589, 527781, 588973, 1231489, 1399767, 1766919, 1935197, 3266123, 3694467, 5132479, 5805591, 9798369, 10731547, 13546379, 15397437, 32194641, 35927353, 40639137, 75120829, 107782059, 118047017, 225362487, 354141051, 826329119, 2478987357]

約数ペア:

[(1, 2478987357), (3, 826329119), (7, 354141051), (11, 225362487), (21, 118047017), (23, 107782059), (33, 75120829), (61, 40639137), (69, 35927353), (77, 32194641), (161, 15397437), (183, 13546379), (231, 10731547), (253, 9798369), (427, 5805591), (483, 5132479), (671, 3694467), (759, 3266123), (1281, 1935197), (1403, 1766919), (1771, 1399767), (2013, 1231489), (4209, 588973), (4697, 527781), (5313, 466589), (7649, 324093), (9821, 252417), (14091, 175927), (15433, 160629), (22947, 108031), (29463, 84139), (46299, 53543)]