256366916

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{541}}^1\times {\mathrm{701}}^1$

素因数の和:1272

約数の個数: 36

約数和(自身を含む): 487400004

約数和(自身を除く): 231033088

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 541, 676, 701, 1082, 1402, 2164, 2804, 7033, 9113, 14066, 18226, 28132, 36452, 91429, 118469, 182858, 236938, 365716, 379241, 473876, 758482, 1516964, 4930133, 9860266, 19720532, 64091729, 128183458, 256366916]

約数ペア:

[(1, 256366916), (2, 128183458), (4, 64091729), (13, 19720532), (26, 9860266), (52, 4930133), (169, 1516964), (338, 758482), (541, 473876), (676, 379241), (701, 365716), (1082, 236938), (1402, 182858), (2164, 118469), (2804, 91429), (7033, 36452), (9113, 28132), (14066, 18226)]