81979744

素因数分解:

$2^5\times 7^4\times {\mathrm{11}}^1\times {\mathrm{97}}^1$

素因数の和:146

約数の個数: 120

約数和(自身を含む): 207520488

約数和(自身を除く): 125540744

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 97, 98, 112, 154, 176, 194, 196, 224, 308, 343, 352, 388, 392, 539, 616, 679, 686, 776, 784, 1067, 1078, 1232, 1358, 1372, 1552, 1568, 2134, 2156, 2401, 2464, 2716, 2744, 3104, 3773, 4268, 4312, 4753, 4802, 5432, 5488, 7469, 7546, 8536, 8624, 9506, 9604, 10864, 10976, 14938, 15092, 17072, 17248, 19012, 19208, 21728, 26411, 29876, 30184, 33271, 34144, 38024, 38416, 52283, 52822, 59752, 60368, 66542, 76048, 76832, 104566, 105644, 119504, 120736, 133084, 152096, 209132, 211288, 232897, 239008, 266168, 365981, 418264, 422576, 465794, 532336, 731962, 836528, 845152, 931588, 1064672, 1463924, 1673056, 1863176, 2561867, 2927848, 3726352, 5123734, 5855696, 7452704, 10247468, 11711392, 20494936, 40989872, 81979744]

約数ペア:

[(1, 81979744), (2, 40989872), (4, 20494936), (7, 11711392), (8, 10247468), (11, 7452704), (14, 5855696), (16, 5123734), (22, 3726352), (28, 2927848), (32, 2561867), (44, 1863176), (49, 1673056), (56, 1463924), (77, 1064672), (88, 931588), (97, 845152), (98, 836528), (112, 731962), (154, 532336), (176, 465794), (194, 422576), (196, 418264), (224, 365981), (308, 266168), (343, 239008), (352, 232897), (388, 211288), (392, 209132), (539, 152096), (616, 133084), (679, 120736), (686, 119504), (776, 105644), (784, 104566), (1067, 76832), (1078, 76048), (1232, 66542), (1358, 60368), (1372, 59752), (1552, 52822), (1568, 52283), (2134, 38416), (2156, 38024), (2401, 34144), (2464, 33271), (2716, 30184), (2744, 29876), (3104, 26411), (3773, 21728), (4268, 19208), (4312, 19012), (4753, 17248), (4802, 17072), (5432, 15092), (5488, 14938), (7469, 10976), (7546, 10864), (8536, 9604), (8624, 9506)]