2558288

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{1259}}^1$

素因数の和:1394

約数の個数: 20

約数和(自身を含む): 4999680

約数和(自身を除く): 2441392

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 1259, 2032, 2518, 5036, 10072, 20144, 159893, 319786, 639572, 1279144, 2558288]

約数ペア:

[(1, 2558288), (2, 1279144), (4, 639572), (8, 319786), (16, 159893), (127, 20144), (254, 10072), (508, 5036), (1016, 2518), (1259, 2032)]