1296189712

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{198073}}^1$

素因数の和:198490

約数の個数: 20

約数和(自身を含む): 2517520540

約数和(自身を除く): 1221330828

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 198073, 396146, 792292, 1584584, 3169168, 81011857, 162023714, 324047428, 648094856, 1296189712]

約数ペア:

[(1, 1296189712), (2, 648094856), (4, 324047428), (8, 162023714), (16, 81011857), (409, 3169168), (818, 1584584), (1636, 792292), (3272, 396146), (6544, 198073)]