81282005

素因数分解:

$5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{3623}}^1$

素因数の和:4276

約数の個数: 16

約数和(自身を含む): 111677184

約数和(自身を除く): 30395179

約数列:

[1, 5, 7, 35, 641, 3205, 3623, 4487, 18115, 22435, 25361, 126805, 2322343, 11611715, 16256401, 81282005]

約数ペア:

[(1, 81282005), (5, 16256401), (7, 11611715), (35, 2322343), (641, 126805), (3205, 25361), (3623, 22435), (4487, 18115)]