28156744

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1063}}^1$

素因数の和:1130

約数の個数: 64

約数和(自身を含む): 67415040

約数和(自身を除く): 39258296

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 43, 44, 56, 77, 86, 88, 154, 172, 301, 308, 344, 473, 602, 616, 946, 1063, 1204, 1892, 2126, 2408, 3311, 3784, 4252, 6622, 7441, 8504, 11693, 13244, 14882, 23386, 26488, 29764, 45709, 46772, 59528, 81851, 91418, 93544, 163702, 182836, 319963, 327404, 365672, 502799, 639926, 654808, 1005598, 1279852, 2011196, 2559704, 3519593, 4022392, 7039186, 14078372, 28156744]

約数ペア:

[(1, 28156744), (2, 14078372), (4, 7039186), (7, 4022392), (8, 3519593), (11, 2559704), (14, 2011196), (22, 1279852), (28, 1005598), (43, 654808), (44, 639926), (56, 502799), (77, 365672), (86, 327404), (88, 319963), (154, 182836), (172, 163702), (301, 93544), (308, 91418), (344, 81851), (473, 59528), (602, 46772), (616, 45709), (946, 29764), (1063, 26488), (1204, 23386), (1892, 14882), (2126, 13244), (2408, 11693), (3311, 8504), (3784, 7441), (4252, 6622)]