28308805

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{17209}}^1$

素因数の和:17268

約数の個数: 16

約数和(自身を含む): 39651840

約数和(自身を除く): 11343035

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 17209, 86045, 120463, 602315, 808823, 4044115, 5661761, 28308805]

約数ペア:

[(1, 28308805), (5, 5661761), (7, 4044115), (35, 808823), (47, 602315), (235, 120463), (329, 86045), (1645, 17209)]