8980004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{499}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 17220000

約数和(自身を除く): 8239996

約数列:

[1, 2, 4, 11, 22, 44, 409, 499, 818, 998, 1636, 1996, 4499, 5489, 8998, 10978, 17996, 21956, 204091, 408182, 816364, 2245001, 4490002, 8980004]

約数ペア:

[(1, 8980004), (2, 4490002), (4, 2245001), (11, 816364), (22, 408182), (44, 204091), (409, 21956), (499, 17996), (818, 10978), (998, 8998), (1636, 5489), (1996, 4499)]