28103768

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1061}}^1$

素因数の和:1128

約数の個数: 64

約数和(自身を含む): 67288320

約数和(自身を除く): 39184552

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, 1061, 1204, 1892, 2122, 2408, 3311, 3784, 4244, 6622, 7427, 8488, 11671, 13244, 14854, 23342, 26488, 29708, 45623, 46684, 59416, 81697, 91246, 93368, 163394, 182492, 319361, 326788, 364984, 501853, 638722, 653576, 1003706, 1277444, 2007412, 2554888, 3512971, 4014824, 7025942, 14051884, 28103768]

約数ペア:

[(1, 28103768), (2, 14051884), (4, 7025942), (7, 4014824), (8, 3512971), (11, 2554888), (14, 2007412), (22, 1277444), (28, 1003706), (43, 653576), (44, 638722), (56, 501853), (77, 364984), (86, 326788), (88, 319361), (154, 182492), (172, 163394), (301, 93368), (308, 91246), (344, 81697), (473, 59416), (602, 46684), (616, 45623), (946, 29708), (1061, 26488), (1204, 23342), (1892, 14854), (2122, 13244), (2408, 11671), (3311, 8488), (3784, 7427), (4244, 6622)]