209299504

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{115763}}^1$

素因数の和:115884

約数の個数: 20

約数和(自身を含む): 409109976

約数和(自身を除く): 199810472

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 115763, 231526, 463052, 926104, 1852208, 13081219, 26162438, 52324876, 104649752, 209299504]

約数ペア:

[(1, 209299504), (2, 104649752), (4, 52324876), (8, 26162438), (16, 13081219), (113, 1852208), (226, 926104), (452, 463052), (904, 231526), (1808, 115763)]