257011866

素因数分解:

$2^1\times 3^7\times {\mathrm{67}}^1\times {\mathrm{877}}^1$

素因数の和:967

約数の個数: 64

約数和(自身を含む): 587487360

約数和(自身を除く): 330475494

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 81, 134, 162, 201, 243, 402, 486, 603, 729, 877, 1206, 1458, 1754, 1809, 2187, 2631, 3618, 4374, 5262, 5427, 7893, 10854, 15786, 16281, 23679, 32562, 47358, 48843, 58759, 71037, 97686, 117518, 142074, 146529, 176277, 213111, 293058, 352554, 426222, 528831, 639333, 1057662, 1278666, 1586493, 1917999, 3172986, 3835998, 4759479, 9518958, 14278437, 28556874, 42835311, 85670622, 128505933, 257011866]

約数ペア:

[(1, 257011866), (2, 128505933), (3, 85670622), (6, 42835311), (9, 28556874), (18, 14278437), (27, 9518958), (54, 4759479), (67, 3835998), (81, 3172986), (134, 1917999), (162, 1586493), (201, 1278666), (243, 1057662), (402, 639333), (486, 528831), (603, 426222), (729, 352554), (877, 293058), (1206, 213111), (1458, 176277), (1754, 146529), (1809, 142074), (2187, 117518), (2631, 97686), (3618, 71037), (4374, 58759), (5262, 48843), (5427, 47358), (7893, 32562), (10854, 23679), (15786, 16281)]