2178770405

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{18401}}^1$

素因数の和:18629

約数の個数: 32

約数和(自身を含む): 3179865600

約数和(自身を除く): 1001095195

約数列:

[1, 5, 7, 17, 35, 85, 119, 199, 595, 995, 1393, 3383, 6965, 16915, 18401, 23681, 92005, 118405, 128807, 312817, 644035, 1564085, 2189719, 3661799, 10948595, 18308995, 25632593, 62250583, 128162965, 311252915, 435754081, 2178770405]

約数ペア:

[(1, 2178770405), (5, 435754081), (7, 311252915), (17, 128162965), (35, 62250583), (85, 25632593), (119, 18308995), (199, 10948595), (595, 3661799), (995, 2189719), (1393, 1564085), (3383, 644035), (6965, 312817), (16915, 128807), (18401, 118405), (23681, 92005)]