208068025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{853}}^1\times {\mathrm{887}}^1$

素因数の和:1761

約数の個数: 24

約数和(自身を含む): 282106944

約数和(自身を除く): 74038919

約数列:

[1, 5, 11, 25, 55, 275, 853, 887, 4265, 4435, 9383, 9757, 21325, 22175, 46915, 48785, 234575, 243925, 756611, 3783055, 8322721, 18915275, 41613605, 208068025]

約数ペア:

[(1, 208068025), (5, 41613605), (11, 18915275), (25, 8322721), (55, 3783055), (275, 756611), (853, 243925), (887, 234575), (4265, 48785), (4435, 46915), (9383, 22175), (9757, 21325)]