28656665

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1072

約数の個数: 16

約数和(自身を含む): 35303040

約数和(自身を除く): 6646375

約数列:

[1, 5, 71, 89, 355, 445, 907, 4535, 6319, 31595, 64397, 80723, 321985, 403615, 5731333, 28656665]

約数ペア:

[(1, 28656665), (5, 5731333), (71, 403615), (89, 321985), (355, 80723), (445, 64397), (907, 31595), (4535, 6319)]