257430896

素因数分解:

$2^4\times {\mathrm{683}}^1\times {\mathrm{23557}}^1$

素因数の和:24248

約数の個数: 20

約数和(自身を含む): 499523832

約数和(自身を除く): 242092936

約数列:

[1, 2, 4, 8, 16, 683, 1366, 2732, 5464, 10928, 23557, 47114, 94228, 188456, 376912, 16089431, 32178862, 64357724, 128715448, 257430896]

約数ペア:

[(1, 257430896), (2, 128715448), (4, 64357724), (8, 32178862), (16, 16089431), (683, 376912), (1366, 188456), (2732, 94228), (5464, 47114), (10928, 23557)]