217874215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{26393}}^1$

素因数の和:26538

約数の個数: 16

約数和(自身を含む): 283788288

約数和(自身を除く): 65914073

約数列:

[1, 5, 13, 65, 127, 635, 1651, 8255, 26393, 131965, 343109, 1715545, 3351911, 16759555, 43574843, 217874215]

約数ペア:

[(1, 217874215), (5, 43574843), (13, 16759555), (65, 3351911), (127, 1715545), (635, 343109), (1651, 131965), (8255, 26393)]