251897568

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:457

約数の個数: 192

約数和(自身を含む): 780337152

約数和(自身を除く): 528439584

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 31, 32, 34, 39, 48, 51, 52, 62, 68, 78, 93, 96, 102, 104, 124, 136, 156, 186, 204, 208, 221, 248, 272, 312, 372, 383, 403, 408, 416, 442, 496, 527, 544, 624, 663, 744, 766, 806, 816, 884, 992, 1054, 1149, 1209, 1248, 1326, 1488, 1532, 1581, 1612, 1632, 1768, 2108, 2298, 2418, 2652, 2976, 3064, 3162, 3224, 3536, 4216, 4596, 4836, 4979, 5304, 6128, 6324, 6448, 6511, 6851, 7072, 8432, 9192, 9672, 9958, 10608, 11873, 12256, 12648, 12896, 13022, 13702, 14937, 16864, 18384, 19344, 19533, 19916, 20553, 21216, 23746, 25296, 26044, 27404, 29874, 35619, 36768, 38688, 39066, 39832, 41106, 47492, 50592, 52088, 54808, 59748, 71238, 78132, 79664, 82212, 84643, 94984, 104176, 109616, 119496, 142476, 154349, 156264, 159328, 164424, 169286, 189968, 201841, 208352, 219232, 238992, 253929, 284952, 308698, 312528, 328848, 338572, 379936, 403682, 463047, 477984, 507858, 569904, 605523, 617396, 625056, 657696, 677144, 807364, 926094, 1015716, 1139808, 1211046, 1234792, 1354288, 1614728, 1852188, 2031432, 2422092, 2469584, 2623933, 2708576, 3229456, 3704376, 4062864, 4844184, 4939168, 5247866, 6458912, 7408752, 7871799, 8125728, 9688368, 10495732, 14817504, 15743598, 19376736, 20991464, 31487196, 41982928, 62974392, 83965856, 125948784, 251897568]

約数ペア:

[(1, 251897568), (2, 125948784), (3, 83965856), (4, 62974392), (6, 41982928), (8, 31487196), (12, 20991464), (13, 19376736), (16, 15743598), (17, 14817504), (24, 10495732), (26, 9688368), (31, 8125728), (32, 7871799), (34, 7408752), (39, 6458912), (48, 5247866), (51, 4939168), (52, 4844184), (62, 4062864), (68, 3704376), (78, 3229456), (93, 2708576), (96, 2623933), (102, 2469584), (104, 2422092), (124, 2031432), (136, 1852188), (156, 1614728), (186, 1354288), (204, 1234792), (208, 1211046), (221, 1139808), (248, 1015716), (272, 926094), (312, 807364), (372, 677144), (383, 657696), (403, 625056), (408, 617396), (416, 605523), (442, 569904), (496, 507858), (527, 477984), (544, 463047), (624, 403682), (663, 379936), (744, 338572), (766, 328848), (806, 312528), (816, 308698), (884, 284952), (992, 253929), (1054, 238992), (1149, 219232), (1209, 208352), (1248, 201841), (1326, 189968), (1488, 169286), (1532, 164424), (1581, 159328), (1612, 156264), (1632, 154349), (1768, 142476), (2108, 119496), (2298, 109616), (2418, 104176), (2652, 94984), (2976, 84643), (3064, 82212), (3162, 79664), (3224, 78132), (3536, 71238), (4216, 59748), (4596, 54808), (4836, 52088), (4979, 50592), (5304, 47492), (6128, 41106), (6324, 39832), (6448, 39066), (6511, 38688), (6851, 36768), (7072, 35619), (8432, 29874), (9192, 27404), (9672, 26044), (9958, 25296), (10608, 23746), (11873, 21216), (12256, 20553), (12648, 19916), (12896, 19533), (13022, 19344), (13702, 18384), (14937, 16864)]