261738004

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{540781}}^1$

素因数の和:540807

約数の個数: 18

約数和(自身を含む): 503468042

約数和(自身を除く): 241730038

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 540781, 1081562, 2163124, 5948591, 11897182, 23794364, 65434501, 130869002, 261738004]

約数ペア:

[(1, 261738004), (2, 130869002), (4, 65434501), (11, 23794364), (22, 11897182), (44, 5948591), (121, 2163124), (242, 1081562), (484, 540781)]