128972262

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{154643}}^1$

素因数の和:154787

約数の個数: 16

約数和(自身を含む): 259801920

約数和(自身を除く): 130829658

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 154643, 309286, 463929, 927858, 21495377, 42990754, 64486131, 128972262]

約数ペア:

[(1, 128972262), (2, 64486131), (3, 42990754), (6, 21495377), (139, 927858), (278, 463929), (417, 309286), (834, 154643)]