131708990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{9749}}^1$

素因数の和:9956

約数の個数: 32

約数和(自身を含む): 272376000

約数和(自身を除く): 140667010

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 193, 386, 965, 1351, 1930, 2702, 6755, 9749, 13510, 19498, 48745, 68243, 97490, 136486, 341215, 682430, 1881557, 3763114, 9407785, 13170899, 18815570, 26341798, 65854495, 131708990]

約数ペア:

[(1, 131708990), (2, 65854495), (5, 26341798), (7, 18815570), (10, 13170899), (14, 9407785), (35, 3763114), (70, 1881557), (193, 682430), (386, 341215), (965, 136486), (1351, 97490), (1930, 68243), (2702, 48745), (6755, 19498), (9749, 13510)]