26451388

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{388991}}^1$

素因数の和:389012

約数の個数: 12

約数和(自身を含む): 49012992

約数和(自身を除く): 22561604

約数列:

[1, 2, 4, 17, 34, 68, 388991, 777982, 1555964, 6612847, 13225694, 26451388]

約数ペア:

[(1, 26451388), (2, 13225694), (4, 6612847), (17, 1555964), (34, 777982), (68, 388991)]