219358468

素因数分解:

$2^2\times 7^1\times {\mathrm{1997}}^1\times {\mathrm{3923}}^1$

素因数の和:5931

約数の個数: 24

約数和(自身を含む): 439048512

約数和(自身を除く): 219690044

約数列:

[1, 2, 4, 7, 14, 28, 1997, 3923, 3994, 7846, 7988, 13979, 15692, 27461, 27958, 54922, 55916, 109844, 7834231, 15668462, 31336924, 54839617, 109679234, 219358468]

約数ペア:

[(1, 219358468), (2, 109679234), (4, 54839617), (7, 31336924), (14, 15668462), (28, 7834231), (1997, 109844), (3923, 55916), (3994, 54922), (7846, 27958), (7988, 27461), (13979, 15692)]