81263266

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{2297}}^1$

素因数の和:2351

約数の個数: 36

約数和(自身を含む): 149716998

約数和(自身を除く): 68453732

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 361, 722, 931, 1862, 2297, 2527, 4594, 5054, 16079, 17689, 32158, 35378, 43643, 87286, 112553, 225106, 305501, 611002, 829217, 1658434, 2138507, 4277014, 5804519, 11609038, 40631633, 81263266]

約数ペア:

[(1, 81263266), (2, 40631633), (7, 11609038), (14, 5804519), (19, 4277014), (38, 2138507), (49, 1658434), (98, 829217), (133, 611002), (266, 305501), (361, 225106), (722, 112553), (931, 87286), (1862, 43643), (2297, 35378), (2527, 32158), (4594, 17689), (5054, 16079)]