218914828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{216319}}^1$

素因数の和:216357

約数の個数: 24

約数和(自身を含む): 436101120

約数和(自身を除く): 217186292

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 216319, 432638, 865276, 2379509, 4759018, 4975337, 9518036, 9950674, 19901348, 54728707, 109457414, 218914828]

約数ペア:

[(1, 218914828), (2, 109457414), (4, 54728707), (11, 19901348), (22, 9950674), (23, 9518036), (44, 4975337), (46, 4759018), (92, 2379509), (253, 865276), (506, 432638), (1012, 216319)]