217789039

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{2221}}^1$

素因数の和:2650

約数の個数: 16

約数和(自身を含む): 247619680

約数和(自身を除く): 29830641

約数列:

[1, 13, 19, 247, 397, 2221, 5161, 7543, 28873, 42199, 98059, 548587, 881737, 11462581, 16753003, 217789039]

約数ペア:

[(1, 217789039), (13, 16753003), (19, 11462581), (247, 881737), (397, 548587), (2221, 98059), (5161, 42199), (7543, 28873)]