28783856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 63638784

約数和(自身を除く): 34854928

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 43, 46, 68, 86, 92, 107, 136, 172, 184, 214, 272, 344, 368, 391, 428, 688, 731, 782, 856, 989, 1462, 1564, 1712, 1819, 1978, 2461, 2924, 3128, 3638, 3956, 4601, 4922, 5848, 6256, 7276, 7912, 9202, 9844, 11696, 14552, 15824, 16813, 18404, 19688, 29104, 33626, 36808, 39376, 41837, 67252, 73616, 78217, 83674, 105823, 134504, 156434, 167348, 211646, 269008, 312868, 334696, 423292, 625736, 669392, 846584, 1251472, 1693168, 1798991, 3597982, 7195964, 14391928, 28783856]

約数ペア:

[(1, 28783856), (2, 14391928), (4, 7195964), (8, 3597982), (16, 1798991), (17, 1693168), (23, 1251472), (34, 846584), (43, 669392), (46, 625736), (68, 423292), (86, 334696), (92, 312868), (107, 269008), (136, 211646), (172, 167348), (184, 156434), (214, 134504), (272, 105823), (344, 83674), (368, 78217), (391, 73616), (428, 67252), (688, 41837), (731, 39376), (782, 36808), (856, 33626), (989, 29104), (1462, 19688), (1564, 18404), (1712, 16813), (1819, 15824), (1978, 14552), (2461, 11696), (2924, 9844), (3128, 9202), (3638, 7912), (3956, 7276), (4601, 6256), (4922, 5848)]