388814461

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{417631}}^1$

素因数の和:417664

約数の個数: 12

約数和(自身を含む): 476100480

約数和(自身を除く): 87286019

約数列:

[1, 7, 19, 49, 133, 931, 417631, 2923417, 7934989, 20463919, 55544923, 388814461]

約数ペア:

[(1, 388814461), (7, 55544923), (19, 20463919), (49, 7934989), (133, 2923417), (931, 417631)]