28880308

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 51430400

約数和(自身を除く): 22550092

約数列:

[1, 2, 4, 127, 139, 254, 278, 409, 508, 556, 818, 1636, 17653, 35306, 51943, 56851, 70612, 103886, 113702, 207772, 227404, 7220077, 14440154, 28880308]

約数ペア:

[(1, 28880308), (2, 14440154), (4, 7220077), (127, 227404), (139, 207772), (254, 113702), (278, 103886), (409, 70612), (508, 56851), (556, 51943), (818, 35306), (1636, 17653)]