66821578

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{13327}}^1$

素因数の和:13461

約数の個数: 16

約数和(自身を含む): 105557760

約数和(自身を除く): 38736182

約数列:

[1, 2, 23, 46, 109, 218, 2507, 5014, 13327, 26654, 306521, 613042, 1452643, 2905286, 33410789, 66821578]

約数ペア:

[(1, 66821578), (2, 33410789), (23, 2905286), (46, 1452643), (109, 613042), (218, 306521), (2507, 26654), (5014, 13327)]