28147518

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1759}}^1$

素因数の和:1901

約数の個数: 48

約数和(自身を含む): 70287360

約数和(自身を除く): 42139842

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 127, 254, 381, 762, 889, 1143, 1759, 1778, 2286, 2667, 3518, 5277, 5334, 8001, 10554, 12313, 15831, 16002, 24626, 31662, 36939, 73878, 110817, 221634, 223393, 446786, 670179, 1340358, 1563751, 2010537, 3127502, 4021074, 4691253, 9382506, 14073759, 28147518]

約数ペア:

[(1, 28147518), (2, 14073759), (3, 9382506), (6, 4691253), (7, 4021074), (9, 3127502), (14, 2010537), (18, 1563751), (21, 1340358), (42, 670179), (63, 446786), (126, 223393), (127, 221634), (254, 110817), (381, 73878), (762, 36939), (889, 31662), (1143, 24626), (1759, 16002), (1778, 15831), (2286, 12313), (2667, 10554), (3518, 8001), (5277, 5334)]