1285264528

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{227561}}^1$

素因数の和:227922

約数の個数: 20

約数和(自身を含む): 2497265388

約数和(自身を除く): 1212000860

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2824, 5648, 227561, 455122, 910244, 1820488, 3640976, 80329033, 160658066, 321316132, 642632264, 1285264528]

約数ペア:

[(1, 1285264528), (2, 642632264), (4, 321316132), (8, 160658066), (16, 80329033), (353, 3640976), (706, 1820488), (1412, 910244), (2824, 455122), (5648, 227561)]