215788738

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:775

約数の個数: 48

約数和(自身を含む): 380358720

約数和(自身を除く): 164569982

約数列:

[1, 2, 11, 19, 22, 38, 71, 121, 142, 209, 242, 418, 661, 781, 1322, 1349, 1562, 2299, 2698, 4598, 7271, 8591, 12559, 14542, 14839, 17182, 25118, 29678, 46931, 79981, 93862, 138149, 159962, 163229, 276298, 326458, 516241, 891689, 1032482, 1519639, 1783378, 3039278, 5678651, 9808579, 11357302, 19617158, 107894369, 215788738]

約数ペア:

[(1, 215788738), (2, 107894369), (11, 19617158), (19, 11357302), (22, 9808579), (38, 5678651), (71, 3039278), (121, 1783378), (142, 1519639), (209, 1032482), (242, 891689), (418, 516241), (661, 326458), (781, 276298), (1322, 163229), (1349, 159962), (1562, 138149), (2299, 93862), (2698, 79981), (4598, 46931), (7271, 29678), (8591, 25118), (12559, 17182), (14542, 14839)]