28105070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1291}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 58046976

約数和(自身を除く): 29941906

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 311, 622, 1291, 1555, 2177, 2582, 3110, 4354, 6455, 9037, 10885, 12910, 18074, 21770, 45185, 90370, 401501, 803002, 2007505, 2810507, 4015010, 5621014, 14052535, 28105070]

約数ペア:

[(1, 28105070), (2, 14052535), (5, 5621014), (7, 4015010), (10, 2810507), (14, 2007505), (35, 803002), (70, 401501), (311, 90370), (622, 45185), (1291, 21770), (1555, 18074), (2177, 12910), (2582, 10885), (3110, 9037), (4354, 6455)]