89471005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{19387}}^1$

素因数の和:19476

約数の個数: 16

約数和(自身を含む): 117258624

約数和(自身を除く): 27787619

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 19387, 96935, 252031, 1260155, 1376477, 6882385, 17894201, 89471005]

約数ペア:

[(1, 89471005), (5, 17894201), (13, 6882385), (65, 1376477), (71, 1260155), (355, 252031), (923, 96935), (4615, 19387)]