201498781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 241643520

約数和(自身を除く): 40144739

約数列:

[1, 11, 19, 37, 71, 209, 367, 407, 703, 781, 1349, 2627, 4037, 6973, 7733, 13579, 14839, 26057, 28897, 49913, 76703, 149369, 258001, 286627, 495083, 549043, 964109, 2838011, 5445913, 10605199, 18318071, 201498781]

約数ペア:

[(1, 201498781), (11, 18318071), (19, 10605199), (37, 5445913), (71, 2838011), (209, 964109), (367, 549043), (407, 495083), (703, 286627), (781, 258001), (1349, 149369), (2627, 76703), (4037, 49913), (6973, 28897), (7733, 26057), (13579, 14839)]