28237068

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 82162080

約数和(自身を除く): 53925012

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 29, 34, 36, 37, 43, 51, 58, 68, 74, 86, 87, 102, 111, 116, 129, 148, 153, 172, 174, 204, 222, 258, 261, 306, 333, 348, 387, 444, 493, 516, 522, 612, 629, 666, 731, 774, 986, 1044, 1073, 1247, 1258, 1332, 1462, 1479, 1548, 1591, 1887, 1972, 2146, 2193, 2494, 2516, 2924, 2958, 3182, 3219, 3741, 3774, 4292, 4386, 4437, 4773, 4988, 5661, 5916, 6364, 6438, 6579, 7482, 7548, 8772, 8874, 9546, 9657, 11223, 11322, 12876, 13158, 14319, 14964, 17748, 18241, 19092, 19314, 21199, 22446, 22644, 26316, 27047, 28638, 36482, 38628, 42398, 44892, 46139, 54094, 54723, 57276, 63597, 72964, 81141, 84796, 92278, 108188, 109446, 127194, 138417, 162282, 164169, 184556, 190791, 218892, 243423, 254388, 276834, 324564, 328338, 381582, 415251, 486846, 553668, 656676, 763164, 784363, 830502, 973692, 1568726, 1661004, 2353089, 3137452, 4706178, 7059267, 9412356, 14118534, 28237068]

約数ペア:

[(1, 28237068), (2, 14118534), (3, 9412356), (4, 7059267), (6, 4706178), (9, 3137452), (12, 2353089), (17, 1661004), (18, 1568726), (29, 973692), (34, 830502), (36, 784363), (37, 763164), (43, 656676), (51, 553668), (58, 486846), (68, 415251), (74, 381582), (86, 328338), (87, 324564), (102, 276834), (111, 254388), (116, 243423), (129, 218892), (148, 190791), (153, 184556), (172, 164169), (174, 162282), (204, 138417), (222, 127194), (258, 109446), (261, 108188), (306, 92278), (333, 84796), (348, 81141), (387, 72964), (444, 63597), (493, 57276), (516, 54723), (522, 54094), (612, 46139), (629, 44892), (666, 42398), (731, 38628), (774, 36482), (986, 28638), (1044, 27047), (1073, 26316), (1247, 22644), (1258, 22446), (1332, 21199), (1462, 19314), (1479, 19092), (1548, 18241), (1591, 17748), (1887, 14964), (1972, 14319), (2146, 13158), (2193, 12876), (2494, 11322), (2516, 11223), (2924, 9657), (2958, 9546), (3182, 8874), (3219, 8772), (3741, 7548), (3774, 7482), (4292, 6579), (4386, 6438), (4437, 6364), (4773, 5916), (4988, 5661)]