51011590864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{245248033}}^1$

素因数の和:245248054

約数の個数: 20

約数和(自身を含む): 106437646756

約数和(自身を除く): 55426055892

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 245248033, 490496066, 980992132, 1961984264, 3188224429, 3923968528, 6376448858, 12752897716, 25505795432, 51011590864]

約数ペア:

[(1, 51011590864), (2, 25505795432), (4, 12752897716), (8, 6376448858), (13, 3923968528), (16, 3188224429), (26, 1961984264), (52, 980992132), (104, 490496066), (208, 245248033)]