28149968

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:412

約数の個数: 80

約数和(自身を含む): 69150336

約数和(自身を除く): 41000368

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 73, 77, 88, 112, 146, 154, 176, 292, 308, 313, 511, 584, 616, 626, 803, 1022, 1168, 1232, 1252, 1606, 2044, 2191, 2504, 3212, 3443, 4088, 4382, 5008, 5621, 6424, 6886, 8176, 8764, 11242, 12848, 13772, 17528, 22484, 22849, 24101, 27544, 35056, 44968, 45698, 48202, 55088, 89936, 91396, 96404, 159943, 182792, 192808, 251339, 319886, 365584, 385616, 502678, 639772, 1005356, 1279544, 1759373, 2010712, 2559088, 3518746, 4021424, 7037492, 14074984, 28149968]

約数ペア:

[(1, 28149968), (2, 14074984), (4, 7037492), (7, 4021424), (8, 3518746), (11, 2559088), (14, 2010712), (16, 1759373), (22, 1279544), (28, 1005356), (44, 639772), (56, 502678), (73, 385616), (77, 365584), (88, 319886), (112, 251339), (146, 192808), (154, 182792), (176, 159943), (292, 96404), (308, 91396), (313, 89936), (511, 55088), (584, 48202), (616, 45698), (626, 44968), (803, 35056), (1022, 27544), (1168, 24101), (1232, 22849), (1252, 22484), (1606, 17528), (2044, 13772), (2191, 12848), (2504, 11242), (3212, 8764), (3443, 8176), (4088, 6886), (4382, 6424), (5008, 5621)]