49978864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{240283}}^1$

素因数の和:240304

約数の個数: 20

約数和(自身を含む): 104283256

約数和(自身を除く): 54304392

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 240283, 480566, 961132, 1922264, 3123679, 3844528, 6247358, 12494716, 24989432, 49978864]

約数ペア:

[(1, 49978864), (2, 24989432), (4, 12494716), (8, 6247358), (13, 3844528), (16, 3123679), (26, 1922264), (52, 961132), (104, 480566), (208, 240283)]