491021856

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131149}}^1$

素因数の和:131178

約数の個数: 72

約数和(自身を含む): 1503765900

約数和(自身を除く): 1012744044

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 131149, 262298, 393447, 524596, 786894, 1049192, 1180341, 1573788, 1704937, 2098384, 2360682, 3147576, 3409874, 4196768, 4721364, 5114811, 6295152, 6819748, 9442728, 10229622, 12590304, 13639496, 15344433, 18885456, 20459244, 27278992, 30688866, 37770912, 40918488, 54557984, 61377732, 81836976, 122755464, 163673952, 245510928, 491021856]

約数ペア:

[(1, 491021856), (2, 245510928), (3, 163673952), (4, 122755464), (6, 81836976), (8, 61377732), (9, 54557984), (12, 40918488), (13, 37770912), (16, 30688866), (18, 27278992), (24, 20459244), (26, 18885456), (32, 15344433), (36, 13639496), (39, 12590304), (48, 10229622), (52, 9442728), (72, 6819748), (78, 6295152), (96, 5114811), (104, 4721364), (117, 4196768), (144, 3409874), (156, 3147576), (208, 2360682), (234, 2098384), (288, 1704937), (312, 1573788), (416, 1180341), (468, 1049192), (624, 786894), (936, 524596), (1248, 393447), (1872, 262298), (3744, 131149)]