2563912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 5254200

約数和(自身を除く): 2690288

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 277, 356, 554, 712, 1108, 1157, 2216, 2314, 3601, 4628, 7202, 9256, 14404, 24653, 28808, 49306, 98612, 197224, 320489, 640978, 1281956, 2563912]

約数ペア:

[(1, 2563912), (2, 1281956), (4, 640978), (8, 320489), (13, 197224), (26, 98612), (52, 49306), (89, 28808), (104, 24653), (178, 14404), (277, 9256), (356, 7202), (554, 4628), (712, 3601), (1108, 2314), (1157, 2216)]