201915088

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{115777}}^1$

素因数の和:115894

約数の個数: 20

約数和(自身を含む): 394802980

約数和(自身を除く): 192887892

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 115777, 231554, 463108, 926216, 1852432, 12619693, 25239386, 50478772, 100957544, 201915088]

約数ペア:

[(1, 201915088), (2, 100957544), (4, 50478772), (8, 25239386), (16, 12619693), (109, 1852432), (218, 926216), (436, 463108), (872, 231554), (1744, 115777)]