388907764

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1\times {\mathrm{479}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 789626880

約数和(自身を除く): 400719116

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 271, 428, 479, 542, 749, 958, 1084, 1498, 1897, 1916, 2996, 3353, 3794, 6706, 7588, 13412, 28997, 51253, 57994, 102506, 115988, 129809, 202979, 205012, 259618, 358771, 405958, 519236, 717542, 811916, 908663, 1435084, 1817326, 3634652, 13889563, 27779126, 55558252, 97226941, 194453882, 388907764]

約数ペア:

[(1, 388907764), (2, 194453882), (4, 97226941), (7, 55558252), (14, 27779126), (28, 13889563), (107, 3634652), (214, 1817326), (271, 1435084), (428, 908663), (479, 811916), (542, 717542), (749, 519236), (958, 405958), (1084, 358771), (1498, 259618), (1897, 205012), (1916, 202979), (2996, 129809), (3353, 115988), (3794, 102506), (6706, 57994), (7588, 51253), (13412, 28997)]