219813748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{713681}}^1$

素因数の和:713703

約数の個数: 24

約数和(自身を含む): 479594304

約数和(自身を除く): 259780556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 713681, 1427362, 2854724, 4995767, 7850491, 9991534, 15700982, 19983068, 31401964, 54953437, 109906874, 219813748]

約数ペア:

[(1, 219813748), (2, 109906874), (4, 54953437), (7, 31401964), (11, 19983068), (14, 15700982), (22, 9991534), (28, 7850491), (44, 4995767), (77, 2854724), (154, 1427362), (308, 713681)]