208725712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{2011}}^1$

素因数の和:2531

約数の個数: 40

約数和(自身を含む): 436604000

約数和(自身を除く): 227878288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 499, 998, 1996, 2011, 3992, 4022, 6487, 7984, 8044, 12974, 16088, 25948, 26143, 32176, 51896, 52286, 103792, 104572, 209144, 418288, 1003489, 2006978, 4013956, 8027912, 13045357, 16055824, 26090714, 52181428, 104362856, 208725712]

約数ペア:

[(1, 208725712), (2, 104362856), (4, 52181428), (8, 26090714), (13, 16055824), (16, 13045357), (26, 8027912), (52, 4013956), (104, 2006978), (208, 1003489), (499, 418288), (998, 209144), (1996, 104572), (2011, 103792), (3992, 52286), (4022, 51896), (6487, 32176), (7984, 26143), (8044, 25948), (12974, 16088)]