1288996870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1657}}^1\times {\mathrm{11113}}^1$

素因数の和:12784

約数の個数: 32

約数和(自身を含む): 2653489728

約数和(自身を除く): 1364492858

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1657, 3314, 8285, 11113, 11599, 16570, 22226, 23198, 55565, 57995, 77791, 111130, 115990, 155582, 388955, 777910, 18414241, 36828482, 92071205, 128899687, 184142410, 257799374, 644498435, 1288996870]

約数ペア:

[(1, 1288996870), (2, 644498435), (5, 257799374), (7, 184142410), (10, 128899687), (14, 92071205), (35, 36828482), (70, 18414241), (1657, 777910), (3314, 388955), (8285, 155582), (11113, 115990), (11599, 111130), (16570, 77791), (22226, 57995), (23198, 55565)]