199518591

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{5233}}^1$

素因数の和:5486

約数の個数: 16

約数和(自身を含む): 271330560

約数和(自身を除く): 71811969

約数列:

[1, 3, 71, 179, 213, 537, 5233, 12709, 15699, 38127, 371543, 936707, 1114629, 2810121, 66506197, 199518591]

約数ペア:

[(1, 199518591), (3, 66506197), (71, 2810121), (179, 1114629), (213, 936707), (537, 371543), (5233, 38127), (12709, 15699)]