20160219205

素因数分解:

$5^1\times 7^2\times {\mathrm{82286609}}^1$

素因数の和:82286628

約数の個数: 12

約数和(自身を含む): 28142020620

約数和(自身を除く): 7981801415

約数列:

[1, 5, 7, 35, 49, 245, 82286609, 411433045, 576006263, 2880031315, 4032043841, 20160219205]

約数ペア:

[(1, 20160219205), (5, 4032043841), (7, 2880031315), (35, 576006263), (49, 411433045), (245, 82286609)]