2638256

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{911}}^1$

素因数の和:1100

約数の個数: 20

約数和(自身を含む): 5145504

約数和(自身を除く): 2507248

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 911, 1448, 1822, 2896, 3644, 7288, 14576, 164891, 329782, 659564, 1319128, 2638256]

約数ペア:

[(1, 2638256), (2, 1319128), (4, 659564), (8, 329782), (16, 164891), (181, 14576), (362, 7288), (724, 3644), (911, 2896), (1448, 1822)]