257054

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 24

約数和(自身を含む): 466488

約数和(自身を除く): 209434

約数列:

[1, 2, 7, 14, 43, 49, 61, 86, 98, 122, 301, 427, 602, 854, 2107, 2623, 2989, 4214, 5246, 5978, 18361, 36722, 128527, 257054]

約数ペア:

[(1, 257054), (2, 128527), (7, 36722), (14, 18361), (43, 5978), (49, 5246), (61, 4214), (86, 2989), (98, 2623), (122, 2107), (301, 854), (427, 602)]