1387991808

素因数分解:

$2^8\times 3^3\times 7^1\times {\mathrm{28687}}^1$

素因数の和:28719

約数の個数: 144

約数和(自身を含む): 4691061760

約数和(自身を除く): 3303069952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 224, 252, 256, 288, 336, 378, 384, 432, 448, 504, 576, 672, 756, 768, 864, 896, 1008, 1152, 1344, 1512, 1728, 1792, 2016, 2304, 2688, 3024, 3456, 4032, 5376, 6048, 6912, 8064, 12096, 16128, 24192, 28687, 48384, 57374, 86061, 114748, 172122, 200809, 229496, 258183, 344244, 401618, 458992, 516366, 602427, 688488, 774549, 803236, 917984, 1032732, 1204854, 1376976, 1549098, 1606472, 1807281, 1835968, 2065464, 2409708, 2753952, 3098196, 3212944, 3614562, 3671936, 4130928, 4819416, 5421843, 5507904, 6196392, 6425888, 7229124, 7343872, 8261856, 9638832, 10843686, 11015808, 12392784, 12851776, 14458248, 16523712, 19277664, 21687372, 22031616, 24785568, 25703552, 28916496, 33047424, 38555328, 43374744, 49571136, 51407104, 57832992, 66094848, 77110656, 86749488, 99142272, 115665984, 154221312, 173498976, 198284544, 231331968, 346997952, 462663936, 693995904, 1387991808]

約数ペア:

[(1, 1387991808), (2, 693995904), (3, 462663936), (4, 346997952), (6, 231331968), (7, 198284544), (8, 173498976), (9, 154221312), (12, 115665984), (14, 99142272), (16, 86749488), (18, 77110656), (21, 66094848), (24, 57832992), (27, 51407104), (28, 49571136), (32, 43374744), (36, 38555328), (42, 33047424), (48, 28916496), (54, 25703552), (56, 24785568), (63, 22031616), (64, 21687372), (72, 19277664), (84, 16523712), (96, 14458248), (108, 12851776), (112, 12392784), (126, 11015808), (128, 10843686), (144, 9638832), (168, 8261856), (189, 7343872), (192, 7229124), (216, 6425888), (224, 6196392), (252, 5507904), (256, 5421843), (288, 4819416), (336, 4130928), (378, 3671936), (384, 3614562), (432, 3212944), (448, 3098196), (504, 2753952), (576, 2409708), (672, 2065464), (756, 1835968), (768, 1807281), (864, 1606472), (896, 1549098), (1008, 1376976), (1152, 1204854), (1344, 1032732), (1512, 917984), (1728, 803236), (1792, 774549), (2016, 688488), (2304, 602427), (2688, 516366), (3024, 458992), (3456, 401618), (4032, 344244), (5376, 258183), (6048, 229496), (6912, 200809), (8064, 172122), (12096, 114748), (16128, 86061), (24192, 57374), (28687, 48384)]