131504884

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{21061}}^1$

素因数の和:21295

約数の個数: 24

約数和(自身を含む): 264201728

約数和(自身を除く): 132696844

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 21061, 42122, 84244, 147427, 294854, 589708, 4696603, 9393206, 18786412, 32876221, 65752442, 131504884]

約数ペア:

[(1, 131504884), (2, 65752442), (4, 32876221), (7, 18786412), (14, 9393206), (28, 4696603), (223, 589708), (446, 294854), (892, 147427), (1561, 84244), (3122, 42122), (6244, 21061)]