665897856

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 192

約数和(自身を含む): 1983075840

約数和(自身を除く): 1317177984

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 169, 186, 192, 208, 248, 312, 331, 338, 372, 384, 403, 416, 496, 507, 624, 662, 676, 744, 806, 832, 992, 993, 1014, 1209, 1248, 1324, 1352, 1488, 1612, 1664, 1984, 1986, 2028, 2418, 2496, 2648, 2704, 2976, 3224, 3968, 3972, 4056, 4303, 4836, 4992, 5239, 5296, 5408, 5952, 6448, 7944, 8112, 8606, 9672, 10261, 10478, 10592, 10816, 11904, 12896, 12909, 15717, 15888, 16224, 17212, 19344, 20522, 20956, 21184, 21632, 25792, 25818, 30783, 31434, 31776, 32448, 34424, 38688, 41044, 41912, 42368, 51584, 51636, 55939, 61566, 62868, 63552, 64896, 68848, 77376, 82088, 83824, 103272, 111878, 123132, 125736, 127104, 133393, 137696, 154752, 164176, 167648, 167817, 206544, 223756, 246264, 251472, 266786, 275392, 328352, 335296, 335634, 400179, 413088, 447512, 492528, 502944, 533572, 550784, 656704, 670592, 671268, 800358, 826176, 895024, 985056, 1005888, 1067144, 1313408, 1342536, 1600716, 1652352, 1734109, 1790048, 1970112, 2011776, 2134288, 2685072, 3201432, 3468218, 3580096, 3940224, 4268576, 5202327, 5370144, 6402864, 6936436, 7160192, 8537152, 10404654, 10740288, 12805728, 13872872, 17074304, 20809308, 21480576, 25611456, 27745744, 41618616, 51222912, 55491488, 83237232, 110982976, 166474464, 221965952, 332948928, 665897856]

約数ペア:

[(1, 665897856), (2, 332948928), (3, 221965952), (4, 166474464), (6, 110982976), (8, 83237232), (12, 55491488), (13, 51222912), (16, 41618616), (24, 27745744), (26, 25611456), (31, 21480576), (32, 20809308), (39, 17074304), (48, 13872872), (52, 12805728), (62, 10740288), (64, 10404654), (78, 8537152), (93, 7160192), (96, 6936436), (104, 6402864), (124, 5370144), (128, 5202327), (156, 4268576), (169, 3940224), (186, 3580096), (192, 3468218), (208, 3201432), (248, 2685072), (312, 2134288), (331, 2011776), (338, 1970112), (372, 1790048), (384, 1734109), (403, 1652352), (416, 1600716), (496, 1342536), (507, 1313408), (624, 1067144), (662, 1005888), (676, 985056), (744, 895024), (806, 826176), (832, 800358), (992, 671268), (993, 670592), (1014, 656704), (1209, 550784), (1248, 533572), (1324, 502944), (1352, 492528), (1488, 447512), (1612, 413088), (1664, 400179), (1984, 335634), (1986, 335296), (2028, 328352), (2418, 275392), (2496, 266786), (2648, 251472), (2704, 246264), (2976, 223756), (3224, 206544), (3968, 167817), (3972, 167648), (4056, 164176), (4303, 154752), (4836, 137696), (4992, 133393), (5239, 127104), (5296, 125736), (5408, 123132), (5952, 111878), (6448, 103272), (7944, 83824), (8112, 82088), (8606, 77376), (9672, 68848), (10261, 64896), (10478, 63552), (10592, 62868), (10816, 61566), (11904, 55939), (12896, 51636), (12909, 51584), (15717, 42368), (15888, 41912), (16224, 41044), (17212, 38688), (19344, 34424), (20522, 32448), (20956, 31776), (21184, 31434), (21632, 30783), (25792, 25818)]