28789278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{685459}}^1$

素因数の和:685471

約数の個数: 16

約数和(自身を含む): 65804160

約数和(自身を除く): 37014882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 685459, 1370918, 2056377, 4112754, 4798213, 9596426, 14394639, 28789278]

約数ペア:

[(1, 28789278), (2, 14394639), (3, 9596426), (6, 4798213), (7, 4112754), (14, 2056377), (21, 1370918), (42, 685459)]