257917298

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1\times {\mathrm{2963}}^1$

素因数の和:3649

約数の個数: 16

約数和(自身を含む): 393097536

約数和(自身を除く): 135180238

約数列:

[1, 2, 71, 142, 613, 1226, 2963, 5926, 43523, 87046, 210373, 420746, 1816319, 3632638, 128958649, 257917298]

約数ペア:

[(1, 257917298), (2, 128958649), (71, 3632638), (142, 1816319), (613, 420746), (1226, 210373), (2963, 87046), (5926, 43523)]