215512165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{44027}}^1$

素因数の和:44132

約数の個数: 16

約数和(自身を含む): 285301440

約数和(自身を除く): 69789275

約数列:

[1, 5, 11, 55, 89, 445, 979, 4895, 44027, 220135, 484297, 2421485, 3918403, 19592015, 43102433, 215512165]

約数ペア:

[(1, 215512165), (5, 43102433), (11, 19592015), (55, 3918403), (89, 2421485), (445, 484297), (979, 220135), (4895, 44027)]