209540738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{823}}^1$

素因数の和:1070

約数の個数: 32

約数和(自身を含む): 350272512

約数和(自身を除く): 140731774

約数列:

[1, 2, 11, 22, 71, 142, 163, 326, 781, 823, 1562, 1646, 1793, 3586, 9053, 11573, 18106, 23146, 58433, 116866, 127303, 134149, 254606, 268298, 642763, 1285526, 1475639, 2951278, 9524579, 19049158, 104770369, 209540738]

約数ペア:

[(1, 209540738), (2, 104770369), (11, 19049158), (22, 9524579), (71, 2951278), (142, 1475639), (163, 1285526), (326, 642763), (781, 268298), (823, 254606), (1562, 134149), (1646, 127303), (1793, 116866), (3586, 58433), (9053, 23146), (11573, 18106)]