217745708

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{528509}}^1$

素因数の和:528616

約数の個数: 12

約数和(自身を含む): 384755280

約数和(自身を除く): 167009572

約数列:

[1, 2, 4, 103, 206, 412, 528509, 1057018, 2114036, 54436427, 108872854, 217745708]

約数ペア:

[(1, 217745708), (2, 108872854), (4, 54436427), (103, 2114036), (206, 1057018), (412, 528509)]