28784815

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 35280000

約数和(自身を除く): 6495185

約数列:

[1, 5, 83, 139, 415, 499, 695, 2495, 11537, 41417, 57685, 69361, 207085, 346805, 5756963, 28784815]

約数ペア:

[(1, 28784815), (5, 5756963), (83, 346805), (139, 207085), (415, 69361), (499, 57685), (695, 41417), (2495, 11537)]