51438608

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{247301}}^1$

素因数の和:247322

約数の個数: 20

約数和(自身を含む): 107329068

約数和(自身を除く): 55890460

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 247301, 494602, 989204, 1978408, 3214913, 3956816, 6429826, 12859652, 25719304, 51438608]

約数ペア:

[(1, 51438608), (2, 25719304), (4, 12859652), (8, 6429826), (13, 3956816), (16, 3214913), (26, 1978408), (52, 989204), (104, 494602), (208, 247301)]