338974307

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{19163}}^1$

素因数の和:19215

約数の個数: 18

約数和(自身を含む): 416184588

約数和(自身を除く): 77210281

約数列:

[1, 7, 19, 49, 133, 361, 931, 2527, 17689, 19163, 134141, 364097, 938987, 2548679, 6917843, 17840753, 48424901, 338974307]

約数ペア:

[(1, 338974307), (7, 48424901), (19, 17840753), (49, 6917843), (133, 2548679), (361, 938987), (931, 364097), (2527, 134141), (17689, 19163)]