128841296

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{31333}}^1$

素因数の和:31598

約数の個数: 20

約数和(自身を含む): 250609332

約数和(自身を除く): 121768036

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 31333, 62666, 125332, 250664, 501328, 8052581, 16105162, 32210324, 64420648, 128841296]

約数ペア:

[(1, 128841296), (2, 64420648), (4, 32210324), (8, 16105162), (16, 8052581), (257, 501328), (514, 250664), (1028, 125332), (2056, 62666), (4112, 31333)]