28386216

素因数分解:

$2^3\times 3^2\times {\mathrm{109}}^1\times {\mathrm{3617}}^1$

素因数の和:3738

約数の個数: 48

約数和(自身を含む): 77606100

約数和(自身を除く): 49219884

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 218, 327, 436, 654, 872, 981, 1308, 1962, 2616, 3617, 3924, 7234, 7848, 10851, 14468, 21702, 28936, 32553, 43404, 65106, 86808, 130212, 260424, 394253, 788506, 1182759, 1577012, 2365518, 3154024, 3548277, 4731036, 7096554, 9462072, 14193108, 28386216]

約数ペア:

[(1, 28386216), (2, 14193108), (3, 9462072), (4, 7096554), (6, 4731036), (8, 3548277), (9, 3154024), (12, 2365518), (18, 1577012), (24, 1182759), (36, 788506), (72, 394253), (109, 260424), (218, 130212), (327, 86808), (436, 65106), (654, 43404), (872, 32553), (981, 28936), (1308, 21702), (1962, 14468), (2616, 10851), (3617, 7848), (3924, 7234)]