781997568

素因数分解:

$2^9\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1556

約数の個数: 160

約数和(自身を含む): 2347564032

約数和(自身を除く): 1565566464

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 64, 66, 88, 93, 96, 124, 128, 132, 176, 186, 192, 248, 256, 264, 341, 352, 372, 384, 496, 512, 528, 682, 704, 744, 768, 992, 1023, 1056, 1364, 1408, 1488, 1493, 1536, 1984, 2046, 2112, 2728, 2816, 2976, 2986, 3968, 4092, 4224, 4479, 5456, 5632, 5952, 5972, 7936, 8184, 8448, 8958, 10912, 11904, 11944, 15872, 16368, 16423, 16896, 17916, 21824, 23808, 23888, 32736, 32846, 35832, 43648, 46283, 47616, 47776, 49269, 65472, 65692, 71664, 87296, 92566, 95552, 98538, 130944, 131384, 138849, 143328, 174592, 185132, 191104, 197076, 261888, 262768, 277698, 286656, 370264, 382208, 394152, 509113, 523776, 525536, 555396, 573312, 740528, 764416, 788304, 1018226, 1051072, 1110792, 1146624, 1481056, 1527339, 1576608, 2036452, 2102144, 2221584, 2293248, 2962112, 3054678, 3153216, 4072904, 4204288, 4443168, 5924224, 6109356, 6306432, 8145808, 8408576, 8886336, 11848448, 12218712, 12612864, 16291616, 17772672, 23696896, 24437424, 25225728, 32583232, 35545344, 48874848, 65166464, 71090688, 97749696, 130332928, 195499392, 260665856, 390998784, 781997568]

約数ペア:

[(1, 781997568), (2, 390998784), (3, 260665856), (4, 195499392), (6, 130332928), (8, 97749696), (11, 71090688), (12, 65166464), (16, 48874848), (22, 35545344), (24, 32583232), (31, 25225728), (32, 24437424), (33, 23696896), (44, 17772672), (48, 16291616), (62, 12612864), (64, 12218712), (66, 11848448), (88, 8886336), (93, 8408576), (96, 8145808), (124, 6306432), (128, 6109356), (132, 5924224), (176, 4443168), (186, 4204288), (192, 4072904), (248, 3153216), (256, 3054678), (264, 2962112), (341, 2293248), (352, 2221584), (372, 2102144), (384, 2036452), (496, 1576608), (512, 1527339), (528, 1481056), (682, 1146624), (704, 1110792), (744, 1051072), (768, 1018226), (992, 788304), (1023, 764416), (1056, 740528), (1364, 573312), (1408, 555396), (1488, 525536), (1493, 523776), (1536, 509113), (1984, 394152), (2046, 382208), (2112, 370264), (2728, 286656), (2816, 277698), (2976, 262768), (2986, 261888), (3968, 197076), (4092, 191104), (4224, 185132), (4479, 174592), (5456, 143328), (5632, 138849), (5952, 131384), (5972, 130944), (7936, 98538), (8184, 95552), (8448, 92566), (8958, 87296), (10912, 71664), (11904, 65692), (11944, 65472), (15872, 49269), (16368, 47776), (16423, 47616), (16896, 46283), (17916, 43648), (21824, 35832), (23808, 32846), (23888, 32736)]