1997264

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{2903}}^1$

素因数の和:2954

約数の個数: 20

約数和(自身を含む): 3961056

約数和(自身を除く): 1963792

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 2903, 5806, 11612, 23224, 46448, 124829, 249658, 499316, 998632, 1997264]

約数ペア:

[(1, 1997264), (2, 998632), (4, 499316), (8, 249658), (16, 124829), (43, 46448), (86, 23224), (172, 11612), (344, 5806), (688, 2903)]