287056664

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{139619}}^1$

素因数の和:139882

約数の個数: 16

約数和(自身を含む): 540329400

約数和(自身を除く): 253272736

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 139619, 279238, 558476, 1116952, 35882083, 71764166, 143528332, 287056664]

約数ペア:

[(1, 287056664), (2, 143528332), (4, 71764166), (8, 35882083), (257, 1116952), (514, 558476), (1028, 279238), (2056, 139619)]