256989316

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{3061}}^1$

素因数の和:3355

約数の個数: 24

約数和(自身を含む): 456115520

約数和(自身を除く): 199126204

約数列:

[1, 2, 4, 139, 151, 278, 302, 556, 604, 3061, 6122, 12244, 20989, 41978, 83956, 425479, 462211, 850958, 924422, 1701916, 1848844, 64247329, 128494658, 256989316]

約数ペア:

[(1, 256989316), (2, 128494658), (4, 64247329), (139, 1848844), (151, 1701916), (278, 924422), (302, 850958), (556, 462211), (604, 425479), (3061, 83956), (6122, 41978), (12244, 20989)]