217642238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{18701}}^1$

素因数の和:18760

約数の個数: 24

約数和(自身を含む): 372319416

約数和(自身を除く): 154677178

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 529, 1058, 5819, 11638, 18701, 37402, 205711, 411422, 430123, 860246, 4731353, 9462706, 9892829, 19785658, 108821119, 217642238]

約数ペア:

[(1, 217642238), (2, 108821119), (11, 19785658), (22, 9892829), (23, 9462706), (46, 4731353), (253, 860246), (506, 430123), (529, 411422), (1058, 205711), (5819, 37402), (11638, 18701)]