51165712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{245989}}^1$

素因数の和:246010

約数の個数: 20

約数和(自身を含む): 106759660

約数和(自身を除く): 55593948

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 245989, 491978, 983956, 1967912, 3197857, 3935824, 6395714, 12791428, 25582856, 51165712]

約数ペア:

[(1, 51165712), (2, 25582856), (4, 12791428), (8, 6395714), (13, 3935824), (16, 3197857), (26, 1967912), (52, 983956), (104, 491978), (208, 245989)]