81343876

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{3109}}^1$

素因数の和:3355

約数の個数: 24

約数和(自身を含む): 147687680

約数和(自身を除く): 66343804

約数列:

[1, 2, 4, 31, 62, 124, 211, 422, 844, 3109, 6218, 6541, 12436, 13082, 26164, 96379, 192758, 385516, 655999, 1311998, 2623996, 20335969, 40671938, 81343876]

約数ペア:

[(1, 81343876), (2, 40671938), (4, 20335969), (31, 2623996), (62, 1311998), (124, 655999), (211, 385516), (422, 192758), (844, 96379), (3109, 26164), (6218, 13082), (6541, 12436)]