66820585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{14479}}^1$

素因数の和:14568

約数の個数: 16

約数和(自身を含む): 87575040

約数和(自身を除く): 20754455

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 14479, 72395, 188227, 941135, 1028009, 5140045, 13364117, 66820585]

約数ペア:

[(1, 66820585), (5, 13364117), (13, 5140045), (65, 1028009), (71, 941135), (355, 188227), (923, 72395), (4615, 14479)]