81161898.000000000

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1$

素因数の和:927

約数の個数: 128

約数和(自身を含む): 797368320

約数和(自身を除く): 530933592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 47, 56, 82, 84, 94, 123, 141, 164, 168, 188, 246, 282, 287, 328, 329, 376, 492, 564, 574, 658, 823, 861, 984, 987, 1128, 1148, 1316, 1646, 1722, 1927, 1974, 2296, 2469, 2632, 3292, 3444, 3854, 3948, 4938, 5761, 5781, 6584, 6888, 7708, 7896, 9876, 11522, 11562, 13489, 15416, 17283, 19752, 23044, 23124, 26978, 33743, 34566, 38681, 40467, 46088, 46248, 53956, 67486, 69132, 77362, 80934, 101229, 107912, 116043, 134972, 138264, 154724, 161868, 202458, 232086, 236201, 269944, 270767, 309448, 323736, 404916, 464172, 472402, 541534, 708603, 809832, 812301, 928344, 944804, 1083068, 1417206, 1585921, 1624602, 1889608, 2166136, 2834412, 3171842, 3249204, 4757763, 5668824, 6343684, 6498408, 9515526, 11101447, 12687368, 19031052, 22202894, 33304341, 38062104, 44405788, 66608682, 88811576, 133217364, 266434728]

約数ペア:

[(1, 266434728), (2, 133217364), (3, 88811576), (4, 66608682), (6, 44405788), (7, 38062104), (8, 33304341), (12, 22202894), (14, 19031052), (21, 12687368), (24, 11101447), (28, 9515526), (41, 6498408), (42, 6343684), (47, 5668824), (56, 4757763), (82, 3249204), (84, 3171842), (94, 2834412), (123, 2166136), (141, 1889608), (164, 1624602), (168, 1585921), (188, 1417206), (246, 1083068), (282, 944804), (287, 928344), (328, 812301), (329, 809832), (376, 708603), (492, 541534), (564, 472402), (574, 464172), (658, 404916), (823, 323736), (861, 309448), (984, 270767), (987, 269944), (1128, 236201), (1148, 232086), (1316, 202458), (1646, 161868), (1722, 154724), (1927, 138264), (1974, 134972), (2296, 116043), (2469, 107912), (2632, 101229), (3292, 80934), (3444, 77362), (3854, 69132), (3948, 67486), (4938, 53956), (5761, 46248), (5781, 46088), (6584, 40467), (6888, 38681), (7708, 34566), (7896, 33743), (9876, 26978), (11522, 23124), (11562, 23044), (13489, 19752), (15416, 17283)]