257156722653

素因数分解:

$3^1\times {\mathrm{709}}^1\times {\mathrm{739}}^1\times {\mathrm{163601}}^1$

素因数の和:165052

約数の個数: 16

約数和(自身を含む): 343825963200

約数和(自身を除く): 86669240547

約数列:

[1, 3, 709, 739, 2127, 2217, 163601, 490803, 523951, 1571853, 115993109, 120901139, 347979327, 362703417, 85718907551, 257156722653]

約数ペア:

[(1, 257156722653), (3, 85718907551), (709, 362703417), (739, 347979327), (2127, 120901139), (2217, 115993109), (163601, 1571853), (490803, 523951)]