19970223839

素因数分解:

${\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1361}}^1\times {\mathrm{3727}}^1$

素因数の和:5246

約数の個数: 16

約数和(自身を含む): 20797587456

約数和(自身を除く): 827363617

約数列:

[1, 31, 127, 1361, 3727, 3937, 42191, 115537, 172847, 473329, 5072447, 5358257, 14673199, 157245857, 644200769, 19970223839]

約数ペア:

[(1, 19970223839), (31, 644200769), (127, 157245857), (1361, 14673199), (3727, 5358257), (3937, 5072447), (42191, 473329), (115537, 172847)]