257108

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 504000

約数和(自身を除く): 246892

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 199, 323, 398, 646, 796, 1292, 3383, 3781, 6766, 7562, 13532, 15124, 64277, 128554, 257108]

約数ペア:

[(1, 257108), (2, 128554), (4, 64277), (17, 15124), (19, 13532), (34, 7562), (38, 6766), (68, 3781), (76, 3383), (199, 1292), (323, 796), (398, 646)]