266937281

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{19801}}^1$

素因数の和:19892

約数の個数: 16

約数和(自身を含む): 309386448

約数和(自身を除く): 42449167

約数列:

[1, 13, 17, 61, 221, 793, 1037, 13481, 19801, 257413, 336617, 1207861, 4376021, 15702193, 20533637, 266937281]

約数ペア:

[(1, 266937281), (13, 20533637), (17, 15702193), (61, 4376021), (221, 1207861), (793, 336617), (1037, 257413), (13481, 19801)]