2008990906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{158663}}^1$

素因数の和:159165

約数の個数: 16

約数和(自身を含む): 3251977344

約数和(自身を除く): 1242986438

約数列:

[1, 2, 13, 26, 487, 974, 6331, 12662, 158663, 317326, 2062619, 4125238, 77268881, 154537762, 1004495453, 2008990906]

約数ペア:

[(1, 2008990906), (2, 1004495453), (13, 154537762), (26, 77268881), (487, 4125238), (974, 2062619), (6331, 317326), (12662, 158663)]