199891022

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71237}}^1$

素因数の和:71323

約数の個数: 16

約数和(自身を含む): 318006432

約数和(自身を除く): 118115410

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 71237, 142474, 1638451, 3276902, 4345457, 8690914, 99945511, 199891022]

約数ペア:

[(1, 199891022), (2, 99945511), (23, 8690914), (46, 4345457), (61, 3276902), (122, 1638451), (1403, 142474), (2806, 71237)]