81519335

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{7321}}^1$

素因数の和:7474

約数の個数: 16

約数和(自身を含む): 104382432

約数和(自身を除く): 22863097

約数列:

[1, 5, 17, 85, 131, 655, 2227, 7321, 11135, 36605, 124457, 622285, 959051, 4795255, 16303867, 81519335]

約数ペア:

[(1, 81519335), (5, 16303867), (17, 4795255), (85, 959051), (131, 622285), (655, 124457), (2227, 36605), (7321, 11135)]