208101025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{883}}^1$

素因数の和:1761

約数の個数: 24

約数和(自身を含む): 282151584

約数和(自身を除く): 74050559

約数列:

[1, 5, 11, 25, 55, 275, 857, 883, 4285, 4415, 9427, 9713, 21425, 22075, 47135, 48565, 235675, 242825, 756731, 3783655, 8324041, 18918275, 41620205, 208101025]

約数ペア:

[(1, 208101025), (5, 41620205), (11, 18918275), (25, 8324041), (55, 3783655), (275, 756731), (857, 242825), (883, 235675), (4285, 48565), (4415, 47135), (9427, 22075), (9713, 21425)]