12220278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{290959}}^1$

素因数の和:290971

約数の個数: 16

約数和(自身を含む): 27932160

約数和(自身を除く): 15711882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 290959, 581918, 872877, 1745754, 2036713, 4073426, 6110139, 12220278]

約数ペア:

[(1, 12220278), (2, 6110139), (3, 4073426), (6, 2036713), (7, 1745754), (14, 872877), (21, 581918), (42, 290959)]