128366984642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{31447081}}^1$

素因数の和:31447253

約数の個数: 16

約数和(自身を含む): 208682836152

約数和(自身を除く): 80315851510

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 31447081, 62894162, 408812053, 817624106, 4937191717, 9874383434, 64183492321, 128366984642]

約数ペア:

[(1, 128366984642), (2, 64183492321), (13, 9874383434), (26, 4937191717), (157, 817624106), (314, 408812053), (2041, 62894162), (4082, 31447081)]