81458128

素因数分解:

$2^4\times {\mathrm{2203}}^1\times {\mathrm{2311}}^1$

素因数の和:4522

約数の個数: 20

約数和(自身を含む): 157965088

約数和(自身を除く): 76506960

約数列:

[1, 2, 4, 8, 16, 2203, 2311, 4406, 4622, 8812, 9244, 17624, 18488, 35248, 36976, 5091133, 10182266, 20364532, 40729064, 81458128]

約数ペア:

[(1, 81458128), (2, 40729064), (4, 20364532), (8, 10182266), (16, 5091133), (2203, 36976), (2311, 35248), (4406, 18488), (4622, 17624), (8812, 9244)]