81886728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{607}}^1$

素因数の和:707

約数の個数: 128

約数和(自身を含む): 259153920

約数和(自身を除く): 177267192

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 73, 77, 84, 88, 132, 146, 154, 168, 219, 231, 264, 292, 308, 438, 462, 511, 584, 607, 616, 803, 876, 924, 1022, 1214, 1533, 1606, 1752, 1821, 1848, 2044, 2409, 2428, 3066, 3212, 3642, 4088, 4249, 4818, 4856, 5621, 6132, 6424, 6677, 7284, 8498, 9636, 11242, 12264, 12747, 13354, 14568, 16863, 16996, 19272, 20031, 22484, 25494, 26708, 33726, 33992, 40062, 44311, 44968, 46739, 50988, 53416, 67452, 80124, 88622, 93478, 101976, 132933, 134904, 140217, 160248, 177244, 186956, 265866, 280434, 310177, 354488, 373912, 487421, 531732, 560868, 620354, 930531, 974842, 1063464, 1121736, 1240708, 1462263, 1861062, 1949684, 2481416, 2924526, 3411947, 3722124, 3899368, 5849052, 6823894, 7444248, 10235841, 11698104, 13647788, 20471682, 27295576, 40943364, 81886728]

約数ペア:

[(1, 81886728), (2, 40943364), (3, 27295576), (4, 20471682), (6, 13647788), (7, 11698104), (8, 10235841), (11, 7444248), (12, 6823894), (14, 5849052), (21, 3899368), (22, 3722124), (24, 3411947), (28, 2924526), (33, 2481416), (42, 1949684), (44, 1861062), (56, 1462263), (66, 1240708), (73, 1121736), (77, 1063464), (84, 974842), (88, 930531), (132, 620354), (146, 560868), (154, 531732), (168, 487421), (219, 373912), (231, 354488), (264, 310177), (292, 280434), (308, 265866), (438, 186956), (462, 177244), (511, 160248), (584, 140217), (607, 134904), (616, 132933), (803, 101976), (876, 93478), (924, 88622), (1022, 80124), (1214, 67452), (1533, 53416), (1606, 50988), (1752, 46739), (1821, 44968), (1848, 44311), (2044, 40062), (2409, 33992), (2428, 33726), (3066, 26708), (3212, 25494), (3642, 22484), (4088, 20031), (4249, 19272), (4818, 16996), (4856, 16863), (5621, 14568), (6132, 13354), (6424, 12747), (6677, 12264), (7284, 11242), (8498, 9636)]