28401485

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{42709}}^1$

素因数の和:42740

約数の個数: 16

約数和(自身を含む): 41001600

約数和(自身を除く): 12600115

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 42709, 213545, 298963, 811471, 1494815, 4057355, 5680297, 28401485]

約数ペア:

[(1, 28401485), (5, 5680297), (7, 4057355), (19, 1494815), (35, 811471), (95, 298963), (133, 213545), (665, 42709)]