257944954

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{70981}}^1$

素因数の和:71085

約数の個数: 16

約数和(自身を含む): 408856320

約数和(自身を除く): 150911366

約数列:

[1, 2, 23, 46, 79, 158, 1817, 3634, 70981, 141962, 1632563, 3265126, 5607499, 11214998, 128972477, 257944954]

約数ペア:

[(1, 257944954), (2, 128972477), (23, 11214998), (46, 5607499), (79, 3265126), (158, 1632563), (1817, 141962), (3634, 70981)]