1987865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 2661120

約数和(自身を除く): 673255

約数列:

[1, 5, 11, 47, 55, 235, 517, 769, 2585, 3845, 8459, 36143, 42295, 180715, 397573, 1987865]

約数ペア:

[(1, 1987865), (5, 397573), (11, 180715), (47, 42295), (55, 36143), (235, 8459), (517, 3845), (769, 2585)]