2028854465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{519553}}^1$

素因数の和:519640

約数の個数: 16

約数和(自身を含む): 2693367936

約数和(自身を除く): 664513471

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 519553, 2597765, 5715083, 28575415, 36888263, 184441315, 405770893, 2028854465]

約数ペア:

[(1, 2028854465), (5, 405770893), (11, 184441315), (55, 36888263), (71, 28575415), (355, 5715083), (781, 2597765), (3905, 519553)]