17854857215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1949}}^1\times {\mathrm{140939}}^1$

素因数の和:142906

約数の個数: 16

約数和(自身を含む): 23085972000

約数和(自身を除く): 5231114785

約数列:

[1, 5, 13, 65, 1949, 9745, 25337, 126685, 140939, 704695, 1832207, 9161035, 274690111, 1373450555, 3570971443, 17854857215]

約数ペア:

[(1, 17854857215), (5, 3570971443), (13, 1373450555), (65, 274690111), (1949, 9161035), (9745, 1832207), (25337, 704695), (126685, 140939)]