389942404

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{479}}^1\times {\mathrm{4733}}^1$

素因数の和:5259

約数の個数: 24

約数和(自身を含む): 699874560

約数和(自身を除く): 309932156

約数列:

[1, 2, 4, 43, 86, 172, 479, 958, 1916, 4733, 9466, 18932, 20597, 41194, 82388, 203519, 407038, 814076, 2267107, 4534214, 9068428, 97485601, 194971202, 389942404]

約数ペア:

[(1, 389942404), (2, 194971202), (4, 97485601), (43, 9068428), (86, 4534214), (172, 2267107), (479, 814076), (958, 407038), (1916, 203519), (4733, 82388), (9466, 41194), (18932, 20597)]