28118272

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 74172672

約数和(自身を除く): 46054400

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 64, 68, 71, 91, 104, 112, 119, 128, 136, 142, 182, 208, 221, 224, 238, 256, 272, 284, 364, 416, 442, 448, 476, 497, 544, 568, 728, 832, 884, 896, 923, 952, 994, 1088, 1136, 1207, 1456, 1547, 1664, 1768, 1792, 1846, 1904, 1988, 2176, 2272, 2414, 2912, 3094, 3328, 3536, 3692, 3808, 3976, 4352, 4544, 4828, 5824, 6188, 6461, 7072, 7384, 7616, 7952, 8449, 9088, 9656, 11648, 12376, 12922, 14144, 14768, 15232, 15691, 15904, 16898, 18176, 19312, 23296, 24752, 25844, 28288, 29536, 30464, 31382, 31808, 33796, 38624, 49504, 51688, 56576, 59072, 62764, 63616, 67592, 77248, 99008, 103376, 109837, 118144, 125528, 127232, 135184, 154496, 198016, 206752, 219674, 236288, 251056, 270368, 308992, 396032, 413504, 439348, 502112, 540736, 827008, 878696, 1004224, 1081472, 1654016, 1757392, 2008448, 2162944, 3514784, 4016896, 7029568, 14059136, 28118272]

約数ペア:

[(1, 28118272), (2, 14059136), (4, 7029568), (7, 4016896), (8, 3514784), (13, 2162944), (14, 2008448), (16, 1757392), (17, 1654016), (26, 1081472), (28, 1004224), (32, 878696), (34, 827008), (52, 540736), (56, 502112), (64, 439348), (68, 413504), (71, 396032), (91, 308992), (104, 270368), (112, 251056), (119, 236288), (128, 219674), (136, 206752), (142, 198016), (182, 154496), (208, 135184), (221, 127232), (224, 125528), (238, 118144), (256, 109837), (272, 103376), (284, 99008), (364, 77248), (416, 67592), (442, 63616), (448, 62764), (476, 59072), (497, 56576), (544, 51688), (568, 49504), (728, 38624), (832, 33796), (884, 31808), (896, 31382), (923, 30464), (952, 29536), (994, 28288), (1088, 25844), (1136, 24752), (1207, 23296), (1456, 19312), (1547, 18176), (1664, 16898), (1768, 15904), (1792, 15691), (1846, 15232), (1904, 14768), (1988, 14144), (2176, 12922), (2272, 12376), (2414, 11648), (2912, 9656), (3094, 9088), (3328, 8449), (3536, 7952), (3692, 7616), (3808, 7384), (3976, 7072), (4352, 6461), (4544, 6188), (4828, 5824)]