28814268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 80625664

約数和(自身を除く): 51811396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 73, 74, 84, 111, 127, 146, 148, 219, 222, 254, 259, 292, 381, 438, 444, 508, 511, 518, 762, 777, 876, 889, 1022, 1036, 1524, 1533, 1554, 1778, 2044, 2667, 2701, 3066, 3108, 3556, 4699, 5334, 5402, 6132, 8103, 9271, 9398, 10668, 10804, 14097, 16206, 18542, 18796, 18907, 27813, 28194, 32412, 32893, 37084, 37814, 55626, 56388, 56721, 64897, 65786, 75628, 98679, 111252, 113442, 129794, 131572, 194691, 197358, 226884, 259588, 343027, 389382, 394716, 686054, 778764, 1029081, 1372108, 2058162, 2401189, 4116324, 4802378, 7203567, 9604756, 14407134, 28814268]

約数ペア:

[(1, 28814268), (2, 14407134), (3, 9604756), (4, 7203567), (6, 4802378), (7, 4116324), (12, 2401189), (14, 2058162), (21, 1372108), (28, 1029081), (37, 778764), (42, 686054), (73, 394716), (74, 389382), (84, 343027), (111, 259588), (127, 226884), (146, 197358), (148, 194691), (219, 131572), (222, 129794), (254, 113442), (259, 111252), (292, 98679), (381, 75628), (438, 65786), (444, 64897), (508, 56721), (511, 56388), (518, 55626), (762, 37814), (777, 37084), (876, 32893), (889, 32412), (1022, 28194), (1036, 27813), (1524, 18907), (1533, 18796), (1554, 18542), (1778, 16206), (2044, 14097), (2667, 10804), (2701, 10668), (3066, 9398), (3108, 9271), (3556, 8103), (4699, 6132), (5334, 5402)]