81660344

素因数分解:

$2^3\times {\mathrm{149}}^1\times {\mathrm{68507}}^1$

素因数の和:68662

約数の個数: 16

約数和(自身を含む): 154143000

約数和(自身を除く): 72482656

約数列:

[1, 2, 4, 8, 149, 298, 596, 1192, 68507, 137014, 274028, 548056, 10207543, 20415086, 40830172, 81660344]

約数ペア:

[(1, 81660344), (2, 40830172), (4, 20415086), (8, 10207543), (149, 548056), (298, 274028), (596, 137014), (1192, 68507)]