217966288

素因数分解:

$2^4\times {\mathrm{719}}^1\times {\mathrm{18947}}^1$

素因数の和:19674

約数の個数: 20

約数和(自身を含む): 422919360

約数和(自身を除く): 204953072

約数列:

[1, 2, 4, 8, 16, 719, 1438, 2876, 5752, 11504, 18947, 37894, 75788, 151576, 303152, 13622893, 27245786, 54491572, 108983144, 217966288]

約数ペア:

[(1, 217966288), (2, 108983144), (4, 54491572), (8, 27245786), (16, 13622893), (719, 303152), (1438, 151576), (2876, 75788), (5752, 37894), (11504, 18947)]