129789712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{623989}}^1$

素因数の和:624010

約数の個数: 20

約数和(自身を含む): 270811660

約数和(自身を除く): 141021948

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 623989, 1247978, 2495956, 4991912, 8111857, 9983824, 16223714, 32447428, 64894856, 129789712]

約数ペア:

[(1, 129789712), (2, 64894856), (4, 32447428), (8, 16223714), (13, 9983824), (16, 8111857), (26, 4991912), (52, 2495956), (104, 1247978), (208, 623989)]