39986443

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{809}}^1$

素因数の和:1146

約数の個数: 16

約数和(自身を含む): 47900160

約数和(自身を除く): 7913717

約数列:

[1, 7, 23, 161, 307, 809, 2149, 5663, 7061, 18607, 49427, 130249, 248363, 1738541, 5712349, 39986443]

約数ペア:

[(1, 39986443), (7, 5712349), (23, 1738541), (161, 248363), (307, 130249), (809, 49427), (2149, 18607), (5663, 7061)]