688486578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{82493}}^1$

素因数の和:82618

約数の個数: 32

約数和(自身を含む): 1496771136

約数和(自身を除く): 808284558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 107, 214, 321, 642, 1391, 2782, 4173, 8346, 82493, 164986, 247479, 494958, 1072409, 2144818, 3217227, 6434454, 8826751, 17653502, 26480253, 52960506, 114747763, 229495526, 344243289, 688486578]

約数ペア:

[(1, 688486578), (2, 344243289), (3, 229495526), (6, 114747763), (13, 52960506), (26, 26480253), (39, 17653502), (78, 8826751), (107, 6434454), (214, 3217227), (321, 2144818), (642, 1072409), (1391, 494958), (2782, 247479), (4173, 164986), (8346, 82493)]