247489913

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{18457}}^1$

素因数の和:18544

約数の個数: 16

約数和(自身を含む): 287058816

約数和(自身を除く): 39568903

約数列:

[1, 11, 23, 53, 253, 583, 1219, 13409, 18457, 203027, 424511, 978221, 4669621, 10760431, 22499083, 247489913]

約数ペア:

[(1, 247489913), (11, 22499083), (23, 10760431), (53, 4669621), (253, 978221), (583, 424511), (1219, 203027), (13409, 18457)]