19970027

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1553}}^1$

素因数の和:1738

約数の個数: 16

約数和(自身を含む): 25062912

約数和(自身を除く): 5092885

約数列:

[1, 7, 11, 77, 167, 1169, 1553, 1837, 10871, 12859, 17083, 119581, 259351, 1815457, 2852861, 19970027]

約数ペア:

[(1, 19970027), (7, 2852861), (11, 1815457), (77, 259351), (167, 119581), (1169, 17083), (1553, 12859), (1837, 10871)]