51708215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 71064000

約数和(自身を除く): 19355785

約数列:

[1, 5, 13, 19, 65, 95, 149, 247, 281, 745, 1235, 1405, 1937, 2831, 3653, 5339, 9685, 14155, 18265, 26695, 36803, 41869, 69407, 184015, 209345, 347035, 544297, 795511, 2721485, 3977555, 10341643, 51708215]

約数ペア:

[(1, 51708215), (5, 10341643), (13, 3977555), (19, 2721485), (65, 795511), (95, 544297), (149, 347035), (247, 209345), (281, 184015), (745, 69407), (1235, 41869), (1405, 36803), (1937, 26695), (2831, 18265), (3653, 14155), (5339, 9685)]