1990015486

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{2441}}^1\times {\mathrm{7691}}^1$

素因数の和:10187

約数の個数: 16

約数和(自身を含む): 3042985968

約数和(自身を除く): 1052970482

約数列:

[1, 2, 53, 106, 2441, 4882, 7691, 15382, 129373, 258746, 407623, 815246, 18773731, 37547462, 995007743, 1990015486]

約数ペア:

[(1, 1990015486), (2, 995007743), (53, 37547462), (106, 18773731), (2441, 815246), (4882, 407623), (7691, 258746), (15382, 129373)]