268528208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1291001}}^1$

素因数の和:1291022

約数の個数: 20

約数和(自身を含む): 560294868

約数和(自身を除く): 291766660

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1291001, 2582002, 5164004, 10328008, 16783013, 20656016, 33566026, 67132052, 134264104, 268528208]

約数ペア:

[(1, 268528208), (2, 134264104), (4, 67132052), (8, 33566026), (13, 20656016), (16, 16783013), (26, 10328008), (52, 5164004), (104, 2582002), (208, 1291001)]