213968

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:362

約数の個数: 20

約数和(自身を含む): 425568

約数和(自身を除く): 211600

約数列:

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

約数ペア:

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