51525136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{247717}}^1$

素因数の和:247738

約数の個数: 20

約数和(自身を含む): 107509612

約数和(自身を除く): 55984476

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 247717, 495434, 990868, 1981736, 3220321, 3963472, 6440642, 12881284, 25762568, 51525136]

約数ペア:

[(1, 51525136), (2, 25762568), (4, 12881284), (8, 6440642), (13, 3963472), (16, 3220321), (26, 1981736), (52, 990868), (104, 495434), (208, 247717)]