208021784

素因数分解:

$2^3\times {\mathrm{1109}}^1\times {\mathrm{23447}}^1$

素因数の和:24562

約数の個数: 16

約数和(自身を含む): 390409200

約数和(自身を除く): 182387416

約数列:

[1, 2, 4, 8, 1109, 2218, 4436, 8872, 23447, 46894, 93788, 187576, 26002723, 52005446, 104010892, 208021784]

約数ペア:

[(1, 208021784), (2, 104010892), (4, 52005446), (8, 26002723), (1109, 187576), (2218, 93788), (4436, 46894), (8872, 23447)]