26438876

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{22871}}^1$

素因数の和:22909

約数の個数: 18

約数和(自身を含む): 49151928

約数和(自身を除く): 22713052

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 22871, 45742, 91484, 388807, 777614, 1555228, 6609719, 13219438, 26438876]

約数ペア:

[(1, 26438876), (2, 13219438), (4, 6609719), (17, 1555228), (34, 777614), (68, 388807), (289, 91484), (578, 45742), (1156, 22871)]