256576684

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1613}}^1$

素因数の和:1679

約数の個数: 96

約数和(自身を含む): 607380480

約数和(自身を除く): 350803796

約数列:

[1, 2, 4, 7, 13, 14, 19, 23, 26, 28, 38, 46, 52, 76, 91, 92, 133, 161, 182, 247, 266, 299, 322, 364, 437, 494, 532, 598, 644, 874, 988, 1196, 1613, 1729, 1748, 2093, 3059, 3226, 3458, 4186, 5681, 6118, 6452, 6916, 8372, 11291, 11362, 12236, 20969, 22582, 22724, 30647, 37099, 39767, 41938, 45164, 61294, 74198, 79534, 83876, 122588, 146783, 148396, 159068, 214529, 259693, 293566, 398411, 429058, 482287, 519386, 587132, 704881, 796822, 858116, 964574, 1038772, 1409762, 1593644, 1929148, 2788877, 2819524, 3376009, 4934167, 5577754, 6752018, 9163453, 9868334, 11155508, 13504036, 18326906, 19736668, 36653812, 64144171, 128288342, 256576684]

約数ペア:

[(1, 256576684), (2, 128288342), (4, 64144171), (7, 36653812), (13, 19736668), (14, 18326906), (19, 13504036), (23, 11155508), (26, 9868334), (28, 9163453), (38, 6752018), (46, 5577754), (52, 4934167), (76, 3376009), (91, 2819524), (92, 2788877), (133, 1929148), (161, 1593644), (182, 1409762), (247, 1038772), (266, 964574), (299, 858116), (322, 796822), (364, 704881), (437, 587132), (494, 519386), (532, 482287), (598, 429058), (644, 398411), (874, 293566), (988, 259693), (1196, 214529), (1613, 159068), (1729, 148396), (1748, 146783), (2093, 122588), (3059, 83876), (3226, 79534), (3458, 74198), (4186, 61294), (5681, 45164), (6118, 41938), (6452, 39767), (6916, 37099), (8372, 30647), (11291, 22724), (11362, 22582), (12236, 20969)]