25109756

素因数分解:

$2^2\times 7^2\times {\mathrm{128111}}^1$

素因数の和:128129

約数の個数: 18

約数和(自身を含む): 51116688

約数和(自身を除く): 26006932

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 128111, 256222, 512444, 896777, 1793554, 3587108, 6277439, 12554878, 25109756]

約数ペア:

[(1, 25109756), (2, 12554878), (4, 6277439), (7, 3587108), (14, 1793554), (28, 896777), (49, 512444), (98, 256222), (196, 128111)]