201990395

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{11071}}^1$

素因数の和:11206

約数の個数: 16

約数和(自身を含む): 251112960

約数和(自身を除く): 49122565

約数列:

[1, 5, 41, 89, 205, 445, 3649, 11071, 18245, 55355, 453911, 985319, 2269555, 4926595, 40398079, 201990395]

約数ペア:

[(1, 201990395), (5, 40398079), (41, 4926595), (89, 2269555), (205, 985319), (445, 453911), (3649, 55355), (11071, 18245)]