664980008

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:511

約数の個数: 128

約数和(自身を含む): 1625702400

約数和(自身を除く): 960722392

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 97, 124, 154, 194, 217, 248, 308, 341, 359, 388, 434, 616, 679, 682, 718, 776, 868, 1067, 1358, 1364, 1436, 1736, 2134, 2387, 2513, 2716, 2728, 2872, 3007, 3949, 4268, 4774, 5026, 5432, 6014, 7469, 7898, 8536, 9548, 10052, 11129, 12028, 14938, 15796, 19096, 20104, 21049, 22258, 24056, 27643, 29876, 31592, 33077, 34823, 42098, 44516, 55286, 59752, 66154, 69646, 77903, 84196, 89032, 110572, 122419, 132308, 139292, 155806, 168392, 221144, 231539, 243761, 244838, 264616, 278584, 311612, 383053, 463078, 487522, 489676, 623224, 766106, 856933, 926156, 975044, 979352, 1079513, 1532212, 1713866, 1852312, 1950088, 2159026, 2681371, 3064424, 3427732, 4318052, 5362742, 6855464, 7556591, 8636104, 10725484, 11874643, 15113182, 21450968, 23749286, 30226364, 47498572, 60452728, 83122501, 94997144, 166245002, 332490004, 664980008]

約数ペア:

[(1, 664980008), (2, 332490004), (4, 166245002), (7, 94997144), (8, 83122501), (11, 60452728), (14, 47498572), (22, 30226364), (28, 23749286), (31, 21450968), (44, 15113182), (56, 11874643), (62, 10725484), (77, 8636104), (88, 7556591), (97, 6855464), (124, 5362742), (154, 4318052), (194, 3427732), (217, 3064424), (248, 2681371), (308, 2159026), (341, 1950088), (359, 1852312), (388, 1713866), (434, 1532212), (616, 1079513), (679, 979352), (682, 975044), (718, 926156), (776, 856933), (868, 766106), (1067, 623224), (1358, 489676), (1364, 487522), (1436, 463078), (1736, 383053), (2134, 311612), (2387, 278584), (2513, 264616), (2716, 244838), (2728, 243761), (2872, 231539), (3007, 221144), (3949, 168392), (4268, 155806), (4774, 139292), (5026, 132308), (5432, 122419), (6014, 110572), (7469, 89032), (7898, 84196), (8536, 77903), (9548, 69646), (10052, 66154), (11129, 59752), (12028, 55286), (14938, 44516), (15796, 42098), (19096, 34823), (20104, 33077), (21049, 31592), (22258, 29876), (24056, 27643)]