209938136

素因数分解:

$2^3\times {\mathrm{1109}}^1\times {\mathrm{23663}}^1$

素因数の和:24778

約数の個数: 16

約数和(自身を含む): 394005600

約数和(自身を除く): 184067464

約数列:

[1, 2, 4, 8, 1109, 2218, 4436, 8872, 23663, 47326, 94652, 189304, 26242267, 52484534, 104969068, 209938136]

約数ペア:

[(1, 209938136), (2, 104969068), (4, 52484534), (8, 26242267), (1109, 189304), (2218, 94652), (4436, 47326), (8872, 23663)]