81757985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{7039}}^1$

素因数の和:7168

約数の個数: 16

約数和(自身を含む): 103403520

約数和(自身を除く): 21645535

約数列:

[1, 5, 23, 101, 115, 505, 2323, 7039, 11615, 35195, 161897, 710939, 809485, 3554695, 16351597, 81757985]

約数ペア:

[(1, 81757985), (5, 16351597), (23, 3554695), (101, 809485), (115, 710939), (505, 161897), (2323, 35195), (7039, 11615)]