1980095

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{743}}^1$

素因数の和:802

約数の個数: 16

約数和(自身を含む): 2624832

約数和(自身を除く): 644737

約数列:

[1, 5, 13, 41, 65, 205, 533, 743, 2665, 3715, 9659, 30463, 48295, 152315, 396019, 1980095]

約数ペア:

[(1, 1980095), (5, 396019), (13, 152315), (41, 48295), (65, 30463), (205, 9659), (533, 3715), (743, 2665)]