31553314

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 52778880

約数和(自身を除く): 21225566

約数列:

[1, 2, 13, 26, 43, 86, 167, 169, 334, 338, 559, 1118, 2171, 2197, 4342, 4394, 7181, 7267, 14362, 14534, 28223, 56446, 93353, 94471, 186706, 188942, 366899, 733798, 1213589, 2427178, 15776657, 31553314]

約数ペア:

[(1, 31553314), (2, 15776657), (13, 2427178), (26, 1213589), (43, 733798), (86, 366899), (167, 188942), (169, 186706), (334, 94471), (338, 93353), (559, 56446), (1118, 28223), (2171, 14534), (2197, 14362), (4342, 7267), (4394, 7181)]