80964004

素因数分解:

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

素因数の和:844

約数の個数: 27

約数和(自身を含む): 156120321

約数和(自身を除く): 75156317

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 409, 484, 818, 1636, 4499, 8998, 17996, 49489, 98978, 167281, 197956, 334562, 669124, 1840091, 3680182, 7360364, 20241001, 40482002, 80964004]

約数ペア:

[(1, 80964004), (2, 40482002), (4, 20241001), (11, 7360364), (22, 3680182), (44, 1840091), (121, 669124), (242, 334562), (409, 197956), (484, 167281), (818, 98978), (1636, 49489), (4499, 17996)]