31987514

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 53343360

約数和(自身を除く): 21355846

約数列:

[1, 2, 13, 26, 53, 106, 139, 167, 278, 334, 689, 1378, 1807, 2171, 3614, 4342, 7367, 8851, 14734, 17702, 23213, 46426, 95771, 115063, 191542, 230126, 301769, 603538, 1230289, 2460578, 15993757, 31987514]

約数ペア:

[(1, 31987514), (2, 15993757), (13, 2460578), (26, 1230289), (53, 603538), (106, 301769), (139, 230126), (167, 191542), (278, 115063), (334, 95771), (689, 46426), (1378, 23213), (1807, 17702), (2171, 14734), (3614, 8851), (4342, 7367)]