199891754

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{1123}}^1\times {\mathrm{1459}}^1$

素因数の和:2645

約数の個数: 16

約数和(自身を含む): 305233440

約数和(自身を除く): 105341686

約数列:

[1, 2, 61, 122, 1123, 1459, 2246, 2918, 68503, 88999, 137006, 177998, 1638457, 3276914, 99945877, 199891754]

約数ペア:

[(1, 199891754), (2, 99945877), (61, 3276914), (122, 1638457), (1123, 177998), (1459, 137006), (2246, 88999), (2918, 68503)]