81940502

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:601

約数の個数: 48

約数和(自身を含む): 153326592

約数和(自身を除く): 71386090

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 217, 266, 361, 434, 523, 589, 722, 1046, 1178, 2527, 3661, 4123, 5054, 7322, 8246, 9937, 11191, 16213, 19874, 22382, 32426, 69559, 78337, 113491, 139118, 156674, 188803, 226982, 308047, 377606, 616094, 1321621, 2156329, 2643242, 4312658, 5852893, 11705786, 40970251, 81940502]

約数ペア:

[(1, 81940502), (2, 40970251), (7, 11705786), (14, 5852893), (19, 4312658), (31, 2643242), (38, 2156329), (62, 1321621), (133, 616094), (217, 377606), (266, 308047), (361, 226982), (434, 188803), (523, 156674), (589, 139118), (722, 113491), (1046, 78337), (1178, 69559), (2527, 32426), (3661, 22382), (4123, 19874), (5054, 16213), (7322, 11191), (8246, 9937)]