64840259

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 75421632

約数和(自身を除く): 10581373

約数列:

[1, 11, 29, 43, 163, 319, 473, 841, 1247, 1793, 4727, 7009, 9251, 13717, 36163, 51997, 77099, 137083, 203261, 397793, 1507913, 2235871, 5894569, 64840259]

約数ペア:

[(1, 64840259), (11, 5894569), (29, 2235871), (43, 1507913), (163, 397793), (319, 203261), (473, 137083), (841, 77099), (1247, 51997), (1793, 36163), (4727, 13717), (7009, 9251)]