9988205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2237}}^1$

素因数の和:2308

約数の個数: 16

約数和(自身を含む): 12890880

約数和(自身を除く): 2902675

約数列:

[1, 5, 19, 47, 95, 235, 893, 2237, 4465, 11185, 42503, 105139, 212515, 525695, 1997641, 9988205]

約数ペア:

[(1, 9988205), (5, 1997641), (19, 525695), (47, 212515), (95, 105139), (235, 42503), (893, 11185), (2237, 4465)]