257610496

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 626347008

約数和(自身を除く): 368736512

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 32, 44, 52, 62, 64, 88, 104, 124, 128, 143, 176, 208, 227, 248, 256, 286, 341, 352, 403, 416, 454, 496, 572, 682, 704, 806, 832, 908, 992, 1144, 1364, 1408, 1612, 1664, 1816, 1984, 2288, 2497, 2728, 2816, 2951, 3224, 3328, 3632, 3968, 4433, 4576, 4994, 5456, 5902, 6448, 7037, 7264, 7936, 8866, 9152, 9988, 10912, 11804, 12896, 14074, 14528, 17732, 18304, 19976, 21824, 23608, 25792, 28148, 29056, 32461, 35464, 36608, 39952, 43648, 47216, 51584, 56296, 58112, 64922, 70928, 77407, 79904, 87296, 91481, 94432, 103168, 112592, 129844, 141856, 154814, 159808, 182962, 188864, 225184, 259688, 283712, 309628, 319616, 365924, 377728, 450368, 519376, 567424, 619256, 639232, 731848, 755456, 900736, 1006291, 1038752, 1134848, 1238512, 1463696, 1801472, 2012582, 2077504, 2477024, 2927392, 4025164, 4155008, 4954048, 5854784, 8050328, 8310016, 9908096, 11709568, 16100656, 19816192, 23419136, 32201312, 64402624, 128805248, 257610496]

約数ペア:

[(1, 257610496), (2, 128805248), (4, 64402624), (8, 32201312), (11, 23419136), (13, 19816192), (16, 16100656), (22, 11709568), (26, 9908096), (31, 8310016), (32, 8050328), (44, 5854784), (52, 4954048), (62, 4155008), (64, 4025164), (88, 2927392), (104, 2477024), (124, 2077504), (128, 2012582), (143, 1801472), (176, 1463696), (208, 1238512), (227, 1134848), (248, 1038752), (256, 1006291), (286, 900736), (341, 755456), (352, 731848), (403, 639232), (416, 619256), (454, 567424), (496, 519376), (572, 450368), (682, 377728), (704, 365924), (806, 319616), (832, 309628), (908, 283712), (992, 259688), (1144, 225184), (1364, 188864), (1408, 182962), (1612, 159808), (1664, 154814), (1816, 141856), (1984, 129844), (2288, 112592), (2497, 103168), (2728, 94432), (2816, 91481), (2951, 87296), (3224, 79904), (3328, 77407), (3632, 70928), (3968, 64922), (4433, 58112), (4576, 56296), (4994, 51584), (5456, 47216), (5902, 43648), (6448, 39952), (7037, 36608), (7264, 35464), (7936, 32461), (8866, 29056), (9152, 28148), (9988, 25792), (10912, 23608), (11804, 21824), (12896, 19976), (14074, 18304), (14528, 17732)]