208518209

素因数分解:

${\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1117}}^1$

素因数の和:1352

約数の個数: 16

約数和(自身を含む): 225388800

約数和(自身を除く): 16870591

約数列:

[1, 17, 79, 139, 1117, 1343, 2363, 10981, 18989, 88243, 155263, 186677, 1500131, 2639471, 12265777, 208518209]

約数ペア:

[(1, 208518209), (17, 12265777), (79, 2639471), (139, 1500131), (1117, 186677), (1343, 155263), (2363, 88243), (10981, 18989)]