538672

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:396

約数の個数: 20

約数和(自身を含む): 1055736

約数和(自身を除く): 517064

約数列:

[1, 2, 4, 8, 16, 131, 257, 262, 514, 524, 1028, 1048, 2056, 2096, 4112, 33667, 67334, 134668, 269336, 538672]

約数ペア:

[(1, 538672), (2, 269336), (4, 134668), (8, 67334), (16, 33667), (131, 4112), (257, 2096), (262, 2056), (514, 1048), (524, 1028)]