215513914

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1399441}}^1$

素因数の和:1399461

約数の個数: 16

約数和(自身を含む): 403039296

約数和(自身を除く): 187525382

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 1399441, 2798882, 9796087, 15393851, 19592174, 30787702, 107756957, 215513914]

約数ペア:

[(1, 215513914), (2, 107756957), (7, 30787702), (11, 19592174), (14, 15393851), (22, 9796087), (77, 2798882), (154, 1399441)]