251971178368

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{2273}}^1$

素因数の和:2645

約数の個数: 256

約数和(自身を含む): 640102256640

約数和(自身を除く): 388131078272

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 307, 364, 403, 416, 434, 448, 496, 614, 728, 806, 832, 868, 896, 992, 1228, 1456, 1612, 1664, 1736, 1984, 2149, 2273, 2456, 2821, 2912, 3224, 3472, 3968, 3991, 4298, 4546, 4912, 5642, 5824, 6448, 6944, 7982, 8596, 9092, 9517, 9824, 11284, 11648, 12896, 13888, 15911, 15964, 17192, 18184, 19034, 19648, 22568, 25792, 27776, 27937, 29549, 31822, 31928, 34384, 36368, 38068, 39296, 45136, 51584, 55874, 59098, 63644, 63856, 66619, 68768, 70463, 72736, 76136, 90272, 111748, 118196, 123721, 127288, 127712, 133238, 137536, 140926, 145472, 152272, 180544, 206843, 223496, 236392, 247442, 254576, 255424, 266476, 275072, 281852, 290944, 304544, 361088, 413686, 446992, 472784, 493241, 494884, 509152, 510848, 532952, 563704, 609088, 697811, 827372, 866047, 893984, 916019, 945568, 986482, 989768, 1018304, 1065904, 1127408, 1218176, 1395622, 1654744, 1732094, 1787968, 1832038, 1891136, 1972964, 1979536, 2036608, 2131808, 2254816, 2791244, 3309488, 3464188, 3575936, 3664076, 3782272, 3945928, 3959072, 4263616, 4509632, 4884677, 5582488, 6412133, 6618976, 6928376, 7328152, 7891856, 7918144, 8527232, 9019264, 9071543, 9769354, 11164976, 12824266, 13237952, 13856752, 14656304, 15783712, 15836288, 18143086, 19538708, 21632141, 22329952, 25648532, 26475904, 27713504, 29312608, 31567424, 36286172, 39077416, 43264282, 44659904, 51297064, 55427008, 58625216, 63134848, 63500801, 72572344, 78154832, 86528564, 89319808, 102594128, 110854016, 117250432, 127001602, 145144688, 151424987, 156309664, 173057128, 205188256, 254003204, 281217833, 290289376, 302849974, 312619328, 346114256, 410376512, 508006408, 562435666, 580578752, 605699948, 625238656, 692228512, 820753024, 1016012816, 1124871332, 1161157504, 1211399896, 1384457024, 1968524831, 2032025632, 2249742664, 2422799792, 2768914048, 3937049662, 4064051264, 4499485328, 4845599584, 7874099324, 8128102528, 8998970656, 9691199168, 15748198648, 17997941312, 19382398336, 31496397296, 35995882624, 62992794592, 125985589184, 251971178368]

約数ペア:

[(1, 251971178368), (2, 125985589184), (4, 62992794592), (7, 35995882624), (8, 31496397296), (13, 19382398336), (14, 17997941312), (16, 15748198648), (26, 9691199168), (28, 8998970656), (31, 8128102528), (32, 7874099324), (52, 4845599584), (56, 4499485328), (62, 4064051264), (64, 3937049662), (91, 2768914048), (104, 2422799792), (112, 2249742664), (124, 2032025632), (128, 1968524831), (182, 1384457024), (208, 1211399896), (217, 1161157504), (224, 1124871332), (248, 1016012816), (307, 820753024), (364, 692228512), (403, 625238656), (416, 605699948), (434, 580578752), (448, 562435666), (496, 508006408), (614, 410376512), (728, 346114256), (806, 312619328), (832, 302849974), (868, 290289376), (896, 281217833), (992, 254003204), (1228, 205188256), (1456, 173057128), (1612, 156309664), (1664, 151424987), (1736, 145144688), (1984, 127001602), (2149, 117250432), (2273, 110854016), (2456, 102594128), (2821, 89319808), (2912, 86528564), (3224, 78154832), (3472, 72572344), (3968, 63500801), (3991, 63134848), (4298, 58625216), (4546, 55427008), (4912, 51297064), (5642, 44659904), (5824, 43264282), (6448, 39077416), (6944, 36286172), (7982, 31567424), (8596, 29312608), (9092, 27713504), (9517, 26475904), (9824, 25648532), (11284, 22329952), (11648, 21632141), (12896, 19538708), (13888, 18143086), (15911, 15836288), (15964, 15783712), (17192, 14656304), (18184, 13856752), (19034, 13237952), (19648, 12824266), (22568, 11164976), (25792, 9769354), (27776, 9071543), (27937, 9019264), (29549, 8527232), (31822, 7918144), (31928, 7891856), (34384, 7328152), (36368, 6928376), (38068, 6618976), (39296, 6412133), (45136, 5582488), (51584, 4884677), (55874, 4509632), (59098, 4263616), (63644, 3959072), (63856, 3945928), (66619, 3782272), (68768, 3664076), (70463, 3575936), (72736, 3464188), (76136, 3309488), (90272, 2791244), (111748, 2254816), (118196, 2131808), (123721, 2036608), (127288, 1979536), (127712, 1972964), (133238, 1891136), (137536, 1832038), (140926, 1787968), (145472, 1732094), (152272, 1654744), (180544, 1395622), (206843, 1218176), (223496, 1127408), (236392, 1065904), (247442, 1018304), (254576, 989768), (255424, 986482), (266476, 945568), (275072, 916019), (281852, 893984), (290944, 866047), (304544, 827372), (361088, 697811), (413686, 609088), (446992, 563704), (472784, 532952), (493241, 510848), (494884, 509152)]