28108764

素因数分解:

$2^2\times 3^2\times {\mathrm{780799}}^1$

素因数の和:780809

約数の個数: 18

約数和(自身を含む): 71052800

約数和(自身を除く): 42944036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 780799, 1561598, 2342397, 3123196, 4684794, 7027191, 9369588, 14054382, 28108764]

約数ペア:

[(1, 28108764), (2, 14054382), (3, 9369588), (4, 7027191), (6, 4684794), (9, 3123196), (12, 2342397), (18, 1561598), (36, 780799)]