28009176

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{839}}^1$

素因数の和:968

約数の個数: 64

約数和(自身を含む): 76204800

約数和(自身を除く): 48195624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 107, 156, 214, 312, 321, 428, 642, 839, 856, 1284, 1391, 1678, 2517, 2568, 2782, 3356, 4173, 5034, 5564, 6712, 8346, 10068, 10907, 11128, 16692, 20136, 21814, 32721, 33384, 43628, 65442, 87256, 89773, 130884, 179546, 261768, 269319, 359092, 538638, 718184, 1077276, 1167049, 2154552, 2334098, 3501147, 4668196, 7002294, 9336392, 14004588, 28009176]

約数ペア:

[(1, 28009176), (2, 14004588), (3, 9336392), (4, 7002294), (6, 4668196), (8, 3501147), (12, 2334098), (13, 2154552), (24, 1167049), (26, 1077276), (39, 718184), (52, 538638), (78, 359092), (104, 269319), (107, 261768), (156, 179546), (214, 130884), (312, 89773), (321, 87256), (428, 65442), (642, 43628), (839, 33384), (856, 32721), (1284, 21814), (1391, 20136), (1678, 16692), (2517, 11128), (2568, 10907), (2782, 10068), (3356, 8346), (4173, 6712), (5034, 5564)]