28253568

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:504

約数の個数: 128

約数和(自身を含む): 89694720

約数和(自身を除く): 61441152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 64, 69, 84, 92, 96, 112, 128, 138, 161, 168, 184, 192, 224, 276, 322, 336, 368, 384, 448, 457, 483, 552, 644, 672, 736, 896, 914, 966, 1104, 1288, 1344, 1371, 1472, 1828, 1932, 2208, 2576, 2688, 2742, 2944, 3199, 3656, 3864, 4416, 5152, 5484, 6398, 7312, 7728, 8832, 9597, 10304, 10511, 10968, 12796, 14624, 15456, 19194, 20608, 21022, 21936, 25592, 29248, 30912, 31533, 38388, 42044, 43872, 51184, 58496, 61824, 63066, 73577, 76776, 84088, 87744, 102368, 126132, 147154, 153552, 168176, 175488, 204736, 220731, 252264, 294308, 307104, 336352, 409472, 441462, 504528, 588616, 614208, 672704, 882924, 1009056, 1177232, 1228416, 1345408, 1765848, 2018112, 2354464, 3531696, 4036224, 4708928, 7063392, 9417856, 14126784, 28253568]

約数ペア:

[(1, 28253568), (2, 14126784), (3, 9417856), (4, 7063392), (6, 4708928), (7, 4036224), (8, 3531696), (12, 2354464), (14, 2018112), (16, 1765848), (21, 1345408), (23, 1228416), (24, 1177232), (28, 1009056), (32, 882924), (42, 672704), (46, 614208), (48, 588616), (56, 504528), (64, 441462), (69, 409472), (84, 336352), (92, 307104), (96, 294308), (112, 252264), (128, 220731), (138, 204736), (161, 175488), (168, 168176), (184, 153552), (192, 147154), (224, 126132), (276, 102368), (322, 87744), (336, 84088), (368, 76776), (384, 73577), (448, 63066), (457, 61824), (483, 58496), (552, 51184), (644, 43872), (672, 42044), (736, 38388), (896, 31533), (914, 30912), (966, 29248), (1104, 25592), (1288, 21936), (1344, 21022), (1371, 20608), (1472, 19194), (1828, 15456), (1932, 14624), (2208, 12796), (2576, 10968), (2688, 10511), (2742, 10304), (2944, 9597), (3199, 8832), (3656, 7728), (3864, 7312), (4416, 6398), (5152, 5484)]