2563405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 3351600

約数和(自身を除く): 788195

約数列:

[1, 5, 13, 65, 113, 349, 565, 1469, 1745, 4537, 7345, 22685, 39437, 197185, 512681, 2563405]

約数ペア:

[(1, 2563405), (5, 512681), (13, 197185), (65, 39437), (113, 22685), (349, 7345), (565, 4537), (1469, 1745)]