668880706

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{419}}^1\times {\mathrm{4723}}^1$

素因数の和:5170

約数の個数: 24

約数和(自身を含む): 1089259920

約数和(自身を除く): 420379214

約数列:

[1, 2, 13, 26, 169, 338, 419, 838, 4723, 5447, 9446, 10894, 61399, 70811, 122798, 141622, 798187, 1596374, 1978937, 3957874, 25726181, 51452362, 334440353, 668880706]

約数ペア:

[(1, 668880706), (2, 334440353), (13, 51452362), (26, 25726181), (169, 3957874), (338, 1978937), (419, 1596374), (838, 798187), (4723, 141622), (5447, 122798), (9446, 70811), (10894, 61399)]