280805854

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{144299}}^1$

素因数の和:144447

約数の個数: 16

約数和(自身を含む): 484848000

約数和(自身を除く): 204042146

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 144299, 288598, 1010093, 2020186, 20057561, 40115122, 140402927, 280805854]

約数ペア:

[(1, 280805854), (2, 140402927), (7, 40115122), (14, 20057561), (139, 2020186), (278, 1010093), (973, 288598), (1946, 144299)]