209311256

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 514805760

約数和(自身を除く): 305494504

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 97, 113, 124, 154, 194, 217, 226, 248, 308, 341, 388, 434, 452, 616, 679, 682, 776, 791, 868, 904, 1067, 1243, 1358, 1364, 1582, 1736, 2134, 2387, 2486, 2716, 2728, 3007, 3164, 3503, 4268, 4774, 4972, 5432, 6014, 6328, 7006, 7469, 8536, 8701, 9548, 9944, 10961, 12028, 14012, 14938, 17402, 19096, 21049, 21922, 24056, 24521, 28024, 29876, 33077, 34804, 38533, 42098, 43844, 49042, 59752, 66154, 69608, 76727, 77066, 84196, 87688, 98084, 120571, 132308, 153454, 154132, 168392, 196168, 231539, 241142, 264616, 269731, 306908, 308264, 339791, 463078, 482284, 539462, 613816, 679582, 843997, 926156, 964568, 1078924, 1359164, 1687994, 1852312, 2157848, 2378537, 2718328, 3375988, 3737701, 4757074, 6751976, 7475402, 9514148, 14950804, 19028296, 26163907, 29901608, 52327814, 104655628, 209311256]

約数ペア:

[(1, 209311256), (2, 104655628), (4, 52327814), (7, 29901608), (8, 26163907), (11, 19028296), (14, 14950804), (22, 9514148), (28, 7475402), (31, 6751976), (44, 4757074), (56, 3737701), (62, 3375988), (77, 2718328), (88, 2378537), (97, 2157848), (113, 1852312), (124, 1687994), (154, 1359164), (194, 1078924), (217, 964568), (226, 926156), (248, 843997), (308, 679582), (341, 613816), (388, 539462), (434, 482284), (452, 463078), (616, 339791), (679, 308264), (682, 306908), (776, 269731), (791, 264616), (868, 241142), (904, 231539), (1067, 196168), (1243, 168392), (1358, 154132), (1364, 153454), (1582, 132308), (1736, 120571), (2134, 98084), (2387, 87688), (2486, 84196), (2716, 77066), (2728, 76727), (3007, 69608), (3164, 66154), (3503, 59752), (4268, 49042), (4774, 43844), (4972, 42098), (5432, 38533), (6014, 34804), (6328, 33077), (7006, 29876), (7469, 28024), (8536, 24521), (8701, 24056), (9548, 21922), (9944, 21049), (10961, 19096), (12028, 17402), (14012, 14938)]