28413588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{937}}^1$

素因数の和:989

約数の個数: 72

約数和(自身を含む): 80052672

約数和(自身を除く): 51639084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 361, 399, 532, 722, 798, 937, 1083, 1444, 1596, 1874, 2166, 2527, 2811, 3748, 4332, 5054, 5622, 6559, 7581, 10108, 11244, 13118, 15162, 17803, 19677, 26236, 30324, 35606, 39354, 53409, 71212, 78708, 106818, 124621, 213636, 249242, 338257, 373863, 498484, 676514, 747726, 1014771, 1353028, 1495452, 2029542, 2367799, 4059084, 4735598, 7103397, 9471196, 14206794, 28413588]

約数ペア:

[(1, 28413588), (2, 14206794), (3, 9471196), (4, 7103397), (6, 4735598), (7, 4059084), (12, 2367799), (14, 2029542), (19, 1495452), (21, 1353028), (28, 1014771), (38, 747726), (42, 676514), (57, 498484), (76, 373863), (84, 338257), (114, 249242), (133, 213636), (228, 124621), (266, 106818), (361, 78708), (399, 71212), (532, 53409), (722, 39354), (798, 35606), (937, 30324), (1083, 26236), (1444, 19677), (1596, 17803), (1874, 15162), (2166, 13118), (2527, 11244), (2811, 10108), (3748, 7581), (4332, 6559), (5054, 5622)]