8281390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63703}}^1$

素因数の和:63723

約数の個数: 16

約数和(自身を含む): 16053408

約数和(自身を除く): 7772018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 63703, 127406, 318515, 637030, 828139, 1656278, 4140695, 8281390]

約数ペア:

[(1, 8281390), (2, 4140695), (5, 1656278), (10, 828139), (13, 637030), (26, 318515), (65, 127406), (130, 63703)]