2008355993

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{113537}}^1$

素因数の和:113589

約数の個数: 18

約数和(自身を含む): 2465704746

約数和(自身を除く): 457348753

約数列:

[1, 7, 19, 49, 133, 361, 931, 2527, 17689, 113537, 794759, 2157203, 5563313, 15100421, 40986857, 105702947, 286907999, 2008355993]

約数ペア:

[(1, 2008355993), (7, 286907999), (19, 105702947), (49, 40986857), (133, 15100421), (361, 5563313), (931, 2157203), (2527, 794759), (17689, 113537)]