81714136

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1259}}^1$

素因数の和:1352

約数の個数: 64

約数和(自身を含む): 187488000

約数和(自身を除く): 105773864

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 61, 76, 122, 133, 152, 244, 266, 427, 488, 532, 854, 1064, 1159, 1259, 1708, 2318, 2518, 3416, 4636, 5036, 8113, 8813, 9272, 10072, 16226, 17626, 23921, 32452, 35252, 47842, 64904, 70504, 76799, 95684, 153598, 167447, 191368, 307196, 334894, 537593, 614392, 669788, 1075186, 1339576, 1459181, 2150372, 2918362, 4300744, 5836724, 10214267, 11673448, 20428534, 40857068, 81714136]

約数ペア:

[(1, 81714136), (2, 40857068), (4, 20428534), (7, 11673448), (8, 10214267), (14, 5836724), (19, 4300744), (28, 2918362), (38, 2150372), (56, 1459181), (61, 1339576), (76, 1075186), (122, 669788), (133, 614392), (152, 537593), (244, 334894), (266, 307196), (427, 191368), (488, 167447), (532, 153598), (854, 95684), (1064, 76799), (1159, 70504), (1259, 64904), (1708, 47842), (2318, 35252), (2518, 32452), (3416, 23921), (4636, 17626), (5036, 16226), (8113, 10072), (8813, 9272)]