205121195026

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1\times {\mathrm{108707}}^1$

素因数の和:109350

約数の個数: 32

約数和(自身を含む): 338125363200

約数和(自身を除く): 133004168174

約数列:

[1, 2, 11, 22, 199, 398, 431, 862, 2189, 4378, 4741, 9482, 85769, 108707, 171538, 217414, 943459, 1195777, 1886918, 2391554, 21632693, 43265386, 46852717, 93705434, 237959623, 475919246, 515379887, 1030759774, 9323690683, 18647381366, 102560597513, 205121195026]

約数ペア:

[(1, 205121195026), (2, 102560597513), (11, 18647381366), (22, 9323690683), (199, 1030759774), (398, 515379887), (431, 475919246), (862, 237959623), (2189, 93705434), (4378, 46852717), (4741, 43265386), (9482, 21632693), (85769, 2391554), (108707, 1886918), (171538, 1195777), (217414, 943459)]