397836

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:310

約数の個数: 36

約数和(自身を含む): 1033032

約数和(自身を除く): 635196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 257, 258, 387, 514, 516, 771, 774, 1028, 1542, 1548, 2313, 3084, 4626, 9252, 11051, 22102, 33153, 44204, 66306, 99459, 132612, 198918, 397836]

約数ペア:

[(1, 397836), (2, 198918), (3, 132612), (4, 99459), (6, 66306), (9, 44204), (12, 33153), (18, 22102), (36, 11051), (43, 9252), (86, 4626), (129, 3084), (172, 2313), (257, 1548), (258, 1542), (387, 1028), (514, 774), (516, 771)]