2109681788

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{7428457}}^1$

素因数の和:7428532

約数の個数: 12

約数和(自身を含む): 3743942832

約数和(自身を除く): 1634261044

約数列:

[1, 2, 4, 71, 142, 284, 7428457, 14856914, 29713828, 527420447, 1054840894, 2109681788]

約数ペア:

[(1, 2109681788), (2, 1054840894), (4, 527420447), (71, 29713828), (142, 14856914), (284, 7428457)]