68291279

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{439}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 79580160

約数和(自身を除く): 11288881

約数列:

[1, 7, 71, 313, 439, 497, 2191, 3073, 22223, 31169, 137407, 155561, 218183, 961849, 9755897, 68291279]

約数ペア:

[(1, 68291279), (7, 9755897), (71, 961849), (313, 218183), (439, 155561), (497, 137407), (2191, 31169), (3073, 22223)]