201561616

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{177431}}^1$

素因数の和:177510

約数の個数: 20

約数和(自身を含む): 396028224

約数和(自身を除く): 194466608

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 177431, 354862, 709724, 1419448, 2838896, 12597601, 25195202, 50390404, 100780808, 201561616]

約数ペア:

[(1, 201561616), (2, 100780808), (4, 50390404), (8, 25195202), (16, 12597601), (71, 2838896), (142, 1419448), (284, 709724), (568, 354862), (1136, 177431)]