261371151496

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1\times {\mathrm{17431}}^1$

素因数の和:17979

約数の個数: 128

約数和(自身を含む): 618515251200

約数和(自身を除く): 357144099704

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 172, 182, 301, 344, 364, 479, 559, 602, 728, 958, 1118, 1204, 1916, 2236, 2408, 3353, 3832, 3913, 4472, 6227, 6706, 7826, 12454, 13412, 15652, 17431, 20597, 24908, 26824, 31304, 34862, 41194, 43589, 49816, 69724, 82388, 87178, 122017, 139448, 144179, 164776, 174356, 226603, 244034, 267761, 288358, 348712, 453206, 488068, 535522, 576716, 749533, 906412, 976136, 1071044, 1153432, 1499066, 1586221, 1812824, 1874327, 2142088, 2998132, 3172442, 3748654, 5246731, 5996264, 6344884, 7497308, 8349449, 9743929, 10493462, 12689768, 14994616, 16698898, 19487858, 20986924, 33397796, 38975716, 41973848, 58446143, 66795592, 68207503, 77951432, 108542837, 116892286, 136415006, 217085674, 233784572, 272830012, 359026307, 434171348, 467569144, 545660024, 718052614, 759799859, 868342696, 1436105228, 1519599718, 2513184149, 2872210456, 3039199436, 4667341991, 5026368298, 6078398872, 9334683982, 10052736596, 18669367964, 20105473192, 32671393937, 37338735928, 65342787874, 130685575748, 261371151496]

約数ペア:

[(1, 261371151496), (2, 130685575748), (4, 65342787874), (7, 37338735928), (8, 32671393937), (13, 20105473192), (14, 18669367964), (26, 10052736596), (28, 9334683982), (43, 6078398872), (52, 5026368298), (56, 4667341991), (86, 3039199436), (91, 2872210456), (104, 2513184149), (172, 1519599718), (182, 1436105228), (301, 868342696), (344, 759799859), (364, 718052614), (479, 545660024), (559, 467569144), (602, 434171348), (728, 359026307), (958, 272830012), (1118, 233784572), (1204, 217085674), (1916, 136415006), (2236, 116892286), (2408, 108542837), (3353, 77951432), (3832, 68207503), (3913, 66795592), (4472, 58446143), (6227, 41973848), (6706, 38975716), (7826, 33397796), (12454, 20986924), (13412, 19487858), (15652, 16698898), (17431, 14994616), (20597, 12689768), (24908, 10493462), (26824, 9743929), (31304, 8349449), (34862, 7497308), (41194, 6344884), (43589, 5996264), (49816, 5246731), (69724, 3748654), (82388, 3172442), (87178, 2998132), (122017, 2142088), (139448, 1874327), (144179, 1812824), (164776, 1586221), (174356, 1499066), (226603, 1153432), (244034, 1071044), (267761, 976136), (288358, 906412), (348712, 749533), (453206, 576716), (488068, 535522)]