219972004

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{182701}}^1$

素因数の和:182755

約数の個数: 24

約数和(自身を含む): 450177728

約数和(自身を除く): 230205724

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 182701, 365402, 730804, 1278907, 2557814, 5115628, 7856143, 15712286, 31424572, 54993001, 109986002, 219972004]

約数ペア:

[(1, 219972004), (2, 109986002), (4, 54993001), (7, 31424572), (14, 15712286), (28, 7856143), (43, 5115628), (86, 2557814), (172, 1278907), (301, 730804), (602, 365402), (1204, 182701)]