16189901

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2108

約数の個数: 16

約数和(自身を含む): 20160000

約数和(自身を除く): 3970099

約数列:

[1, 7, 13, 89, 91, 623, 1157, 1999, 8099, 13993, 25987, 177911, 181909, 1245377, 2312843, 16189901]

約数ペア:

[(1, 16189901), (7, 2312843), (13, 1245377), (89, 181909), (91, 177911), (623, 25987), (1157, 13993), (1999, 8099)]