254338916

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{376241}}^1$

素因数の和:376271

約数の個数: 18

約数和(自身を含む): 481966002

約数和(自身を除く): 227627086

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 376241, 752482, 1504964, 4891133, 9782266, 19564532, 63584729, 127169458, 254338916]

約数ペア:

[(1, 254338916), (2, 127169458), (4, 63584729), (13, 19564532), (26, 9782266), (52, 4891133), (169, 1504964), (338, 752482), (676, 376241)]