81580718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{49927}}^1$

素因数の和:49991

約数の個数: 16

約数和(自身を含む): 131809920

約数和(自身を除く): 50229202

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 49927, 99854, 948613, 1897226, 2146861, 4293722, 40790359, 81580718]

約数ペア:

[(1, 81580718), (2, 40790359), (19, 4293722), (38, 2146861), (43, 1897226), (86, 948613), (817, 99854), (1634, 49927)]