209214775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{433}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 325479168

約数和(自身を除く): 116264393

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 251, 275, 385, 433, 1255, 1757, 1925, 2165, 2761, 3031, 4763, 6275, 8785, 10825, 13805, 15155, 19327, 23815, 33341, 43925, 69025, 75775, 96635, 108683, 119075, 166705, 483175, 543415, 760781, 833525, 1195513, 2717075, 3803905, 5977565, 8368591, 19019525, 29887825, 41842955, 209214775]

約数ペア:

[(1, 209214775), (5, 41842955), (7, 29887825), (11, 19019525), (25, 8368591), (35, 5977565), (55, 3803905), (77, 2717075), (175, 1195513), (251, 833525), (275, 760781), (385, 543415), (433, 483175), (1255, 166705), (1757, 119075), (1925, 108683), (2165, 96635), (2761, 75775), (3031, 69025), (4763, 43925), (6275, 33341), (8785, 23815), (10825, 19327), (13805, 15155)]