64168208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{308501}}^1$

素因数の和:308522

約数の個数: 20

約数和(自身を含む): 133889868

約数和(自身を除く): 69721660

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 308501, 617002, 1234004, 2468008, 4010513, 4936016, 8021026, 16042052, 32084104, 64168208]

約数ペア:

[(1, 64168208), (2, 32084104), (4, 16042052), (8, 8021026), (13, 4936016), (16, 4010513), (26, 2468008), (52, 1234004), (104, 617002), (208, 308501)]