2811185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 3697680

約数和(自身を除く): 886495

約数列:

[1, 5, 13, 61, 65, 305, 709, 793, 3545, 3965, 9217, 43249, 46085, 216245, 562237, 2811185]

約数ペア:

[(1, 2811185), (5, 562237), (13, 216245), (61, 46085), (65, 43249), (305, 9217), (709, 3965), (793, 3545)]