438792976

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{197299}}^1$

素因数の和:197446

約数の個数: 20

約数和(自身を含む): 856282000

約数和(自身を除く): 417489024

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 197299, 394598, 789196, 1578392, 3156784, 27424561, 54849122, 109698244, 219396488, 438792976]

約数ペア:

[(1, 438792976), (2, 219396488), (4, 109698244), (8, 54849122), (16, 27424561), (139, 3156784), (278, 1578392), (556, 789196), (1112, 394598), (2224, 197299)]