16188991

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2437}}^1$

素因数の和:2530

約数の個数: 16

約数和(自身を含む): 20206144

約数和(自身を除く): 4017153

約数列:

[1, 7, 13, 73, 91, 511, 949, 2437, 6643, 17059, 31681, 177901, 221767, 1245307, 2312713, 16188991]

約数ペア:

[(1, 16188991), (7, 2312713), (13, 1245307), (73, 221767), (91, 177901), (511, 31681), (949, 17059), (2437, 6643)]