30870004

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{63781}}^1$

素因数の和:63807

約数の個数: 18

約数和(自身を含む): 59381042

約数和(自身を除く): 28511038

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 63781, 127562, 255124, 701591, 1403182, 2806364, 7717501, 15435002, 30870004]

約数ペア:

[(1, 30870004), (2, 15435002), (4, 7717501), (11, 2806364), (22, 1403182), (44, 701591), (121, 255124), (242, 127562), (484, 63781)]