8457491

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 10188288

約数和(自身を除く): 1730797

約数列:

[1, 7, 23, 131, 161, 401, 917, 2807, 3013, 9223, 21091, 52531, 64561, 367717, 1208213, 8457491]

約数ペア:

[(1, 8457491), (7, 1208213), (23, 367717), (131, 64561), (161, 52531), (401, 21091), (917, 9223), (2807, 3013)]