28639548

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:944

約数の個数: 96

約数和(自身を含む): 86929920

約数和(自身を除く): 58290372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 54, 63, 84, 86, 108, 126, 129, 172, 189, 252, 258, 301, 378, 387, 516, 602, 756, 774, 881, 903, 1161, 1204, 1548, 1762, 1806, 2322, 2643, 2709, 3524, 3612, 4644, 5286, 5418, 6167, 7929, 8127, 10572, 10836, 12334, 15858, 16254, 18501, 23787, 24668, 31716, 32508, 37002, 37883, 47574, 55503, 74004, 75766, 95148, 111006, 113649, 151532, 166509, 222012, 227298, 265181, 333018, 340947, 454596, 530362, 666036, 681894, 795543, 1022841, 1060724, 1363788, 1591086, 2045682, 2386629, 3182172, 4091364, 4773258, 7159887, 9546516, 14319774, 28639548]

約数ペア:

[(1, 28639548), (2, 14319774), (3, 9546516), (4, 7159887), (6, 4773258), (7, 4091364), (9, 3182172), (12, 2386629), (14, 2045682), (18, 1591086), (21, 1363788), (27, 1060724), (28, 1022841), (36, 795543), (42, 681894), (43, 666036), (54, 530362), (63, 454596), (84, 340947), (86, 333018), (108, 265181), (126, 227298), (129, 222012), (172, 166509), (189, 151532), (252, 113649), (258, 111006), (301, 95148), (378, 75766), (387, 74004), (516, 55503), (602, 47574), (756, 37883), (774, 37002), (881, 32508), (903, 31716), (1161, 24668), (1204, 23787), (1548, 18501), (1762, 16254), (1806, 15858), (2322, 12334), (2643, 10836), (2709, 10572), (3524, 8127), (3612, 7929), (4644, 6167), (5286, 5418)]