218216947

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{16187}}^1$

素因数の和:16278

約数の個数: 16

約数和(自身を含む): 252921312

約数和(自身を除く): 34704365

約数列:

[1, 13, 17, 61, 221, 793, 1037, 13481, 16187, 210431, 275179, 987407, 3577327, 12836291, 16785919, 218216947]

約数ペア:

[(1, 218216947), (13, 16785919), (17, 12836291), (61, 3577327), (221, 987407), (793, 275179), (1037, 210431), (13481, 16187)]