30881648

素因数分解:

$2^4\times 7^1\times {\mathrm{275729}}^1$

素因数の和:275744

約数の個数: 20

約数和(自身を含む): 68381040

約数和(自身を除く): 37499392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 275729, 551458, 1102916, 1930103, 2205832, 3860206, 4411664, 7720412, 15440824, 30881648]

約数ペア:

[(1, 30881648), (2, 15440824), (4, 7720412), (7, 4411664), (8, 3860206), (14, 2205832), (16, 1930103), (28, 1102916), (56, 551458), (112, 275729)]