490809794

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{111497}}^1$

素因数の和:111601

約数の個数: 16

約数和(自身を含む): 770674176

約数和(自身を除く): 279864382

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 111497, 222994, 3456407, 6912814, 7916287, 15832574, 245404897, 490809794]

約数ペア:

[(1, 490809794), (2, 245404897), (31, 15832574), (62, 7916287), (71, 6912814), (142, 3456407), (2201, 222994), (4402, 111497)]