2009721835

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1\times {\mathrm{1193}}^1$

素因数の和:1599

約数の個数: 32

約数和(自身を含む): 2666727360

約数和(自身を除く): 657005525

約数列:

[1, 5, 11, 55, 109, 281, 545, 1193, 1199, 1405, 3091, 5965, 5995, 13123, 15455, 30629, 65615, 130037, 153145, 335233, 336919, 650185, 1430407, 1676165, 1684595, 3687563, 7152035, 18437815, 36540397, 182701985, 401944367, 2009721835]

約数ペア:

[(1, 2009721835), (5, 401944367), (11, 182701985), (55, 36540397), (109, 18437815), (281, 7152035), (545, 3687563), (1193, 1684595), (1199, 1676165), (1405, 1430407), (3091, 650185), (5965, 336919), (5995, 335233), (13123, 153145), (15455, 130037), (30629, 65615)]