2978734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1907}}^1$

素因数の和:1991

約数の個数: 16

約数和(自身を含む): 4945536

約数和(自身を除く): 1966802

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 1907, 3814, 20977, 41954, 135397, 270794, 1489367, 2978734]

約数ペア:

[(1, 2978734), (2, 1489367), (11, 270794), (22, 135397), (71, 41954), (142, 20977), (781, 3814), (1562, 1907)]