28907872

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 70447104

約数和(自身を除く): 41539232

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 46, 56, 62, 92, 112, 124, 161, 181, 184, 217, 224, 248, 322, 362, 368, 434, 496, 644, 713, 724, 736, 868, 992, 1267, 1288, 1426, 1448, 1736, 2534, 2576, 2852, 2896, 3472, 4163, 4991, 5068, 5152, 5611, 5704, 5792, 6944, 8326, 9982, 10136, 11222, 11408, 16652, 19964, 20272, 22444, 22816, 29141, 33304, 39277, 39928, 40544, 44888, 58282, 66608, 78554, 79856, 89776, 116564, 129053, 133216, 157108, 159712, 179552, 233128, 258106, 314216, 466256, 516212, 628432, 903371, 932512, 1032424, 1256864, 1806742, 2064848, 3613484, 4129696, 7226968, 14453936, 28907872]

約数ペア:

[(1, 28907872), (2, 14453936), (4, 7226968), (7, 4129696), (8, 3613484), (14, 2064848), (16, 1806742), (23, 1256864), (28, 1032424), (31, 932512), (32, 903371), (46, 628432), (56, 516212), (62, 466256), (92, 314216), (112, 258106), (124, 233128), (161, 179552), (181, 159712), (184, 157108), (217, 133216), (224, 129053), (248, 116564), (322, 89776), (362, 79856), (368, 78554), (434, 66608), (496, 58282), (644, 44888), (713, 40544), (724, 39928), (736, 39277), (868, 33304), (992, 29141), (1267, 22816), (1288, 22444), (1426, 20272), (1448, 19964), (1736, 16652), (2534, 11408), (2576, 11222), (2852, 10136), (2896, 9982), (3472, 8326), (4163, 6944), (4991, 5792), (5068, 5704), (5152, 5611)]