31209528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 95800320

約数和(自身を除く): 64590792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 41, 42, 46, 56, 69, 82, 84, 92, 123, 138, 161, 164, 168, 184, 197, 246, 276, 287, 322, 328, 394, 483, 492, 552, 574, 591, 644, 788, 861, 943, 966, 984, 1148, 1182, 1288, 1379, 1576, 1722, 1886, 1932, 2296, 2364, 2758, 2829, 3444, 3772, 3864, 4137, 4531, 4728, 5516, 5658, 6601, 6888, 7544, 8077, 8274, 9062, 11032, 11316, 13202, 13593, 16154, 16548, 18124, 19803, 22632, 24231, 26404, 27186, 31717, 32308, 33096, 36248, 39606, 48462, 52808, 54372, 56539, 63434, 64616, 79212, 95151, 96924, 108744, 113078, 126868, 158424, 169617, 185771, 190302, 193848, 226156, 253736, 339234, 371542, 380604, 452312, 557313, 678468, 743084, 761208, 1114626, 1300397, 1356936, 1486168, 2229252, 2600794, 3901191, 4458504, 5201588, 7802382, 10403176, 15604764, 31209528]

約数ペア:

[(1, 31209528), (2, 15604764), (3, 10403176), (4, 7802382), (6, 5201588), (7, 4458504), (8, 3901191), (12, 2600794), (14, 2229252), (21, 1486168), (23, 1356936), (24, 1300397), (28, 1114626), (41, 761208), (42, 743084), (46, 678468), (56, 557313), (69, 452312), (82, 380604), (84, 371542), (92, 339234), (123, 253736), (138, 226156), (161, 193848), (164, 190302), (168, 185771), (184, 169617), (197, 158424), (246, 126868), (276, 113078), (287, 108744), (322, 96924), (328, 95151), (394, 79212), (483, 64616), (492, 63434), (552, 56539), (574, 54372), (591, 52808), (644, 48462), (788, 39606), (861, 36248), (943, 33096), (966, 32308), (984, 31717), (1148, 27186), (1182, 26404), (1288, 24231), (1379, 22632), (1576, 19803), (1722, 18124), (1886, 16548), (1932, 16154), (2296, 13593), (2364, 13202), (2758, 11316), (2829, 11032), (3444, 9062), (3772, 8274), (3864, 8077), (4137, 7544), (4531, 6888), (4728, 6601), (5516, 5658)]