257568191

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3847}}^1$

素因数の和:3982

約数の個数: 16

約数和(自身を含む): 279272448

約数和(自身を除く): 21704257

約数列:

[1, 23, 41, 71, 943, 1633, 2911, 3847, 66953, 88481, 157727, 273137, 3627721, 6282151, 11198617, 257568191]

約数ペア:

[(1, 257568191), (23, 11198617), (41, 6282151), (71, 3627721), (943, 273137), (1633, 157727), (2911, 88481), (3847, 66953)]