26878278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{639959}}^1$

素因数の和:639971

約数の個数: 16

約数和(自身を含む): 61436160

約数和(自身を除く): 34557882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 639959, 1279918, 1919877, 3839754, 4479713, 8959426, 13439139, 26878278]

約数ペア:

[(1, 26878278), (2, 13439139), (3, 8959426), (6, 4479713), (7, 3839754), (14, 1919877), (21, 1279918), (42, 639959)]