128672516

素因数分解:

$2^2\times 7^1\times {\mathrm{1279}}^1\times {\mathrm{3593}}^1$

素因数の和:4883

約数の個数: 24

約数和(自身を含む): 257617920

約数和(自身を除く): 128945404

約数列:

[1, 2, 4, 7, 14, 28, 1279, 2558, 3593, 5116, 7186, 8953, 14372, 17906, 25151, 35812, 50302, 100604, 4595447, 9190894, 18381788, 32168129, 64336258, 128672516]

約数ペア:

[(1, 128672516), (2, 64336258), (4, 32168129), (7, 18381788), (14, 9190894), (28, 4595447), (1279, 100604), (2558, 50302), (3593, 35812), (5116, 25151), (7186, 17906), (8953, 14372)]