257294149

素因数分解:

$7^2\times {\mathrm{97}}^1\times {\mathrm{54133}}^1$

素因数の和:54244

約数の個数: 12

約数和(自身を含む): 302392524

約数和(自身を除く): 45098375

約数列:

[1, 7, 49, 97, 679, 4753, 54133, 378931, 2652517, 5250901, 36756307, 257294149]

約数ペア:

[(1, 257294149), (7, 36756307), (49, 5250901), (97, 2652517), (679, 378931), (4753, 54133)]