80871485

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{1451}}^1$

素因数の和:1684

約数の個数: 16

約数和(自身を含む): 99107712

約数和(自身を除く): 18236227

約数列:

[1, 5, 71, 157, 355, 785, 1451, 7255, 11147, 55735, 103021, 227807, 515105, 1139035, 16174297, 80871485]

約数ペア:

[(1, 80871485), (5, 16174297), (71, 1139035), (157, 515105), (355, 227807), (785, 103021), (1451, 55735), (7255, 11147)]