28201788

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{7187}}^1$

素因数の和:7306

約数の個数: 36

約数和(自身を含む): 71951880

約数和(自身を除く): 43750092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 7187, 14374, 21561, 28748, 43122, 64683, 86244, 129366, 258732, 783383, 1566766, 2350149, 3133532, 4700298, 7050447, 9400596, 14100894, 28201788]

約数ペア:

[(1, 28201788), (2, 14100894), (3, 9400596), (4, 7050447), (6, 4700298), (9, 3133532), (12, 2350149), (18, 1566766), (36, 783383), (109, 258732), (218, 129366), (327, 86244), (436, 64683), (654, 43122), (981, 28748), (1308, 21561), (1962, 14374), (3924, 7187)]