427936

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:364

約数の個数: 24

約数和(自身を含む): 864864

約数和(自身を除く): 436928

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 311, 344, 622, 688, 1244, 1376, 2488, 4976, 9952, 13373, 26746, 53492, 106984, 213968, 427936]

約数ペア:

[(1, 427936), (2, 213968), (4, 106984), (8, 53492), (16, 26746), (32, 13373), (43, 9952), (86, 4976), (172, 2488), (311, 1376), (344, 1244), (622, 688)]