39400042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 67032000

約数和(自身を除く): 27631958

約数列:

[1, 2, 11, 22, 37, 74, 97, 194, 407, 499, 814, 998, 1067, 2134, 3589, 5489, 7178, 10978, 18463, 36926, 39479, 48403, 78958, 96806, 203093, 406186, 532433, 1064866, 1790911, 3581822, 19700021, 39400042]

約数ペア:

[(1, 39400042), (2, 19700021), (11, 3581822), (22, 1790911), (37, 1064866), (74, 532433), (97, 406186), (194, 203093), (407, 96806), (499, 78958), (814, 48403), (998, 39479), (1067, 36926), (2134, 18463), (3589, 10978), (5489, 7178)]