2543405

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:268

約数の個数: 16

約数和(自身を含む): 3179520

約数和(自身を除く): 636115

約数列:

[1, 5, 47, 79, 137, 235, 395, 685, 3713, 6439, 10823, 18565, 32195, 54115, 508681, 2543405]

約数ペア:

[(1, 2543405), (5, 508681), (47, 54115), (79, 32195), (137, 18565), (235, 10823), (395, 6439), (685, 3713)]