257790394

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{119237}}^1$

素因数の和:119309

約数の個数: 16

約数和(自身を含む): 412086528

約数和(自身を除く): 154296134

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 119237, 238474, 2742451, 5484902, 5604139, 11208278, 128895197, 257790394]

約数ペア:

[(1, 257790394), (2, 128895197), (23, 11208278), (46, 5604139), (47, 5484902), (94, 2742451), (1081, 238474), (2162, 119237)]