66386242

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1222

約数の個数: 24

約数和(自身を含む): 108484596

約数和(自身を除く): 42098354

約数列:

[1, 2, 13, 26, 169, 197, 338, 394, 997, 1994, 2561, 5122, 12961, 25922, 33293, 66586, 168493, 196409, 336986, 392818, 2553317, 5106634, 33193121, 66386242]

約数ペア:

[(1, 66386242), (2, 33193121), (13, 5106634), (26, 2553317), (169, 392818), (197, 336986), (338, 196409), (394, 168493), (997, 66586), (1994, 33293), (2561, 25922), (5122, 12961)]