81464768

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:362

約数の個数: 112

約数和(自身を含む): 205605888

約数和(自身を除く): 124141120

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 61, 64, 77, 88, 112, 122, 154, 176, 224, 244, 271, 308, 352, 427, 448, 488, 542, 616, 671, 704, 854, 976, 1084, 1232, 1342, 1708, 1897, 1952, 2168, 2464, 2684, 2981, 3416, 3794, 3904, 4336, 4697, 4928, 5368, 5962, 6832, 7588, 8672, 9394, 10736, 11924, 13664, 15176, 16531, 17344, 18788, 20867, 21472, 23848, 27328, 30352, 33062, 37576, 41734, 42944, 47696, 60704, 66124, 75152, 83468, 95392, 115717, 121408, 132248, 150304, 166936, 181841, 190784, 231434, 264496, 300608, 333872, 363682, 462868, 528992, 667744, 727364, 925736, 1057984, 1272887, 1335488, 1454728, 1851472, 2545774, 2909456, 3702944, 5091548, 5818912, 7405888, 10183096, 11637824, 20366192, 40732384, 81464768]

約数ペア:

[(1, 81464768), (2, 40732384), (4, 20366192), (7, 11637824), (8, 10183096), (11, 7405888), (14, 5818912), (16, 5091548), (22, 3702944), (28, 2909456), (32, 2545774), (44, 1851472), (56, 1454728), (61, 1335488), (64, 1272887), (77, 1057984), (88, 925736), (112, 727364), (122, 667744), (154, 528992), (176, 462868), (224, 363682), (244, 333872), (271, 300608), (308, 264496), (352, 231434), (427, 190784), (448, 181841), (488, 166936), (542, 150304), (616, 132248), (671, 121408), (704, 115717), (854, 95392), (976, 83468), (1084, 75152), (1232, 66124), (1342, 60704), (1708, 47696), (1897, 42944), (1952, 41734), (2168, 37576), (2464, 33062), (2684, 30352), (2981, 27328), (3416, 23848), (3794, 21472), (3904, 20867), (4336, 18788), (4697, 17344), (4928, 16531), (5368, 15176), (5962, 13664), (6832, 11924), (7588, 10736), (8672, 9394)]