257138249984

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{32051}}^1$

素因数の和:32133

約数の個数: 216

約数和(自身を含む): 662218423104

約数和(自身を除く): 405080173120

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 37, 44, 56, 64, 74, 77, 88, 112, 121, 128, 148, 154, 176, 224, 242, 256, 259, 296, 308, 352, 407, 448, 484, 518, 592, 616, 704, 814, 847, 896, 968, 1036, 1184, 1232, 1408, 1628, 1694, 1792, 1936, 2072, 2368, 2464, 2816, 2849, 3256, 3388, 3872, 4144, 4477, 4736, 4928, 5698, 6512, 6776, 7744, 8288, 8954, 9472, 9856, 11396, 13024, 13552, 15488, 16576, 17908, 19712, 22792, 26048, 27104, 30976, 31339, 32051, 33152, 35816, 45584, 52096, 54208, 62678, 64102, 66304, 71632, 91168, 104192, 108416, 125356, 128204, 143264, 182336, 216832, 224357, 250712, 256408, 286528, 352561, 364672, 448714, 501424, 512816, 573056, 705122, 729344, 897428, 1002848, 1025632, 1146112, 1185887, 1410244, 1794856, 2005696, 2051264, 2371774, 2467927, 2820488, 3589712, 3878171, 4011392, 4102528, 4743548, 4935854, 5640976, 7179424, 7756342, 8022784, 8205056, 8301209, 9487096, 9871708, 11281952, 13044757, 14358848, 15512684, 16602418, 18974192, 19743416, 22563904, 26089514, 27147197, 28717696, 31025368, 33204836, 37948384, 39486832, 45127808, 52179028, 54294394, 57435392, 62050736, 66409672, 75896768, 78973664, 90255616, 91313299, 104358056, 108588788, 124101472, 132819344, 143492327, 151793536, 157947328, 182626598, 208716112, 217177576, 248202944, 265638688, 286984654, 303587072, 315894656, 365253196, 417432224, 434355152, 496405888, 531277376, 573969308, 631789312, 730506392, 834864448, 868710304, 992811776, 1004446289, 1062554752, 1147938616, 1461012784, 1669728896, 1737420608, 2008892578, 2125109504, 2295877232, 2922025568, 3339457792, 3474841216, 4017785156, 4591754464, 5844051136, 6949682432, 8035570312, 9183508928, 11688102272, 16071140624, 18367017856, 23376204544, 32142281248, 36734035712, 64284562496, 128569124992, 257138249984]

約数ペア:

[(1, 257138249984), (2, 128569124992), (4, 64284562496), (7, 36734035712), (8, 32142281248), (11, 23376204544), (14, 18367017856), (16, 16071140624), (22, 11688102272), (28, 9183508928), (32, 8035570312), (37, 6949682432), (44, 5844051136), (56, 4591754464), (64, 4017785156), (74, 3474841216), (77, 3339457792), (88, 2922025568), (112, 2295877232), (121, 2125109504), (128, 2008892578), (148, 1737420608), (154, 1669728896), (176, 1461012784), (224, 1147938616), (242, 1062554752), (256, 1004446289), (259, 992811776), (296, 868710304), (308, 834864448), (352, 730506392), (407, 631789312), (448, 573969308), (484, 531277376), (518, 496405888), (592, 434355152), (616, 417432224), (704, 365253196), (814, 315894656), (847, 303587072), (896, 286984654), (968, 265638688), (1036, 248202944), (1184, 217177576), (1232, 208716112), (1408, 182626598), (1628, 157947328), (1694, 151793536), (1792, 143492327), (1936, 132819344), (2072, 124101472), (2368, 108588788), (2464, 104358056), (2816, 91313299), (2849, 90255616), (3256, 78973664), (3388, 75896768), (3872, 66409672), (4144, 62050736), (4477, 57435392), (4736, 54294394), (4928, 52179028), (5698, 45127808), (6512, 39486832), (6776, 37948384), (7744, 33204836), (8288, 31025368), (8954, 28717696), (9472, 27147197), (9856, 26089514), (11396, 22563904), (13024, 19743416), (13552, 18974192), (15488, 16602418), (16576, 15512684), (17908, 14358848), (19712, 13044757), (22792, 11281952), (26048, 9871708), (27104, 9487096), (30976, 8301209), (31339, 8205056), (32051, 8022784), (33152, 7756342), (35816, 7179424), (45584, 5640976), (52096, 4935854), (54208, 4743548), (62678, 4102528), (64102, 4011392), (66304, 3878171), (71632, 3589712), (91168, 2820488), (104192, 2467927), (108416, 2371774), (125356, 2051264), (128204, 2005696), (143264, 1794856), (182336, 1410244), (216832, 1185887), (224357, 1146112), (250712, 1025632), (256408, 1002848), (286528, 897428), (352561, 729344), (364672, 705122), (448714, 573056), (501424, 512816)]