16972459

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 20367360

約数和(自身を除く): 3394901

約数列:

[1, 7, 23, 161, 271, 389, 1897, 2723, 6233, 8947, 43631, 62629, 105419, 737933, 2424637, 16972459]

約数ペア:

[(1, 16972459), (7, 2424637), (23, 737933), (161, 105419), (271, 62629), (389, 43631), (1897, 8947), (2723, 6233)]