155353825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{564923}}^1$

素因数の和:564944

約数の個数: 12

約数和(自身を含む): 210151728

約数和(自身を除く): 54797903

約数列:

[1, 5, 11, 25, 55, 275, 564923, 2824615, 6214153, 14123075, 31070765, 155353825]

約数ペア:

[(1, 155353825), (5, 31070765), (11, 14123075), (25, 6214153), (55, 2824615), (275, 564923)]