31314283

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 12926837

約数列:

[1, 7, 11, 13, 41, 49, 77, 91, 109, 143, 287, 451, 533, 539, 637, 763, 1001, 1199, 1417, 2009, 3157, 3731, 4469, 5341, 5863, 7007, 8393, 9919, 15587, 22099, 26117, 31283, 41041, 49159, 58097, 58751, 69433, 109109, 218981, 287287, 344113, 406679, 639067, 763763, 2408791, 2846753, 4473469, 31314283]

約数ペア:

[(1, 31314283), (7, 4473469), (11, 2846753), (13, 2408791), (41, 763763), (49, 639067), (77, 406679), (91, 344113), (109, 287287), (143, 218981), (287, 109109), (451, 69433), (533, 58751), (539, 58097), (637, 49159), (763, 41041), (1001, 31283), (1199, 26117), (1417, 22099), (2009, 15587), (3157, 9919), (3731, 8393), (4469, 7007), (5341, 5863)]