28895615

素因数分解:

$5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1249}}^1$

素因数の和:1922

約数の個数: 16

約数和(自身を含む): 39720000

約数和(自身を除く): 10824385

約数列:

[1, 5, 7, 35, 661, 1249, 3305, 4627, 6245, 8743, 23135, 43715, 825589, 4127945, 5779123, 28895615]

約数ペア:

[(1, 28895615), (5, 5779123), (7, 4127945), (35, 825589), (661, 43715), (1249, 23135), (3305, 8743), (4627, 6245)]