84351905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{21601}}^1$

素因数の和:21688

約数の個数: 16

約数和(自身を含む): 111984768

約数和(自身を除く): 27632863

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 21601, 108005, 237611, 1188055, 1533671, 7668355, 16870381, 84351905]

約数ペア:

[(1, 84351905), (5, 16870381), (11, 7668355), (55, 1533671), (71, 1188055), (355, 237611), (781, 108005), (3905, 21601)]