28261836

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{18257}}^1$

素因数の和:18310

約数の個数: 36

約数和(自身を含む): 73105032

約数和(自身を除く): 44843196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 18257, 36514, 54771, 73028, 109542, 164313, 219084, 328626, 657252, 785051, 1570102, 2355153, 3140204, 4710306, 7065459, 9420612, 14130918, 28261836]

約数ペア:

[(1, 28261836), (2, 14130918), (3, 9420612), (4, 7065459), (6, 4710306), (9, 3140204), (12, 2355153), (18, 1570102), (36, 785051), (43, 657252), (86, 328626), (129, 219084), (172, 164313), (258, 109542), (387, 73028), (516, 54771), (774, 36514), (1548, 18257)]