164580208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{791251}}^1$

素因数の和:791272

約数の個数: 20

約数和(自身を含む): 343403368

約数和(自身を除く): 178823160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 791251, 1582502, 3165004, 6330008, 10286263, 12660016, 20572526, 41145052, 82290104, 164580208]

約数ペア:

[(1, 164580208), (2, 82290104), (4, 41145052), (8, 20572526), (13, 12660016), (16, 10286263), (26, 6330008), (52, 3165004), (104, 1582502), (208, 791251)]