28354430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218111}}^1$

素因数の和:218131

約数の個数: 16

約数和(自身を含む): 54964224

約数和(自身を除く): 26609794

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 218111, 436222, 1090555, 2181110, 2835443, 5670886, 14177215, 28354430]

約数ペア:

[(1, 28354430), (2, 14177215), (5, 5670886), (10, 2835443), (13, 2181110), (26, 1090555), (65, 436222), (130, 218111)]