1390448

素因数分解:

$2^4\times {\mathrm{43}}^2\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 30

約数和(自身を含む): 2816784

約数和(自身を除く): 1426336

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 688, 752, 1849, 2021, 3698, 4042, 7396, 8084, 14792, 16168, 29584, 32336, 86903, 173806, 347612, 695224, 1390448]

約数ペア:

[(1, 1390448), (2, 695224), (4, 347612), (8, 173806), (16, 86903), (43, 32336), (47, 29584), (86, 16168), (94, 14792), (172, 8084), (188, 7396), (344, 4042), (376, 3698), (688, 2021), (752, 1849)]