389620892

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{41221}}^1$

素因数の和:41381

約数の個数: 24

約数和(自身を含む): 727156080

約数和(自身を除く): 337535188

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 556, 2363, 4726, 9452, 41221, 82442, 164884, 700757, 1401514, 2803028, 5729719, 11459438, 22918876, 97405223, 194810446, 389620892]

約数ペア:

[(1, 389620892), (2, 194810446), (4, 97405223), (17, 22918876), (34, 11459438), (68, 5729719), (139, 2803028), (278, 1401514), (556, 700757), (2363, 164884), (4726, 82442), (9452, 41221)]