81532222

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{1249}}^1$

素因数の和:1635

約数の個数: 16

約数和(自身を含む): 123840000

約数和(自身を除く): 42307778

約数列:

[1, 2, 127, 254, 257, 514, 1249, 2498, 32639, 65278, 158623, 317246, 320993, 641986, 40766111, 81532222]

約数ペア:

[(1, 81532222), (2, 40766111), (127, 641986), (254, 320993), (257, 317246), (514, 158623), (1249, 65278), (2498, 32639)]