209465278

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{37633}}^1$

素因数の和:37680

約数の個数: 24

約数和(自身を含む): 360383184

約数和(自身を除く): 150917906

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 2783, 5566, 37633, 75266, 413963, 827926, 865559, 1731118, 4553593, 9107186, 9521149, 19042298, 104732639, 209465278]

約数ペア:

[(1, 209465278), (2, 104732639), (11, 19042298), (22, 9521149), (23, 9107186), (46, 4553593), (121, 1731118), (242, 865559), (253, 827926), (506, 413963), (2783, 75266), (5566, 37633)]