258761216

素因数分解:

$2^9\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 160

約数和(自身を含む): 650529792

約数和(自身を除く): 391768576

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 32, 34, 56, 62, 64, 68, 112, 119, 124, 128, 136, 137, 217, 224, 238, 248, 256, 272, 274, 434, 448, 476, 496, 512, 527, 544, 548, 868, 896, 952, 959, 992, 1054, 1088, 1096, 1736, 1792, 1904, 1918, 1984, 2108, 2176, 2192, 2329, 3472, 3584, 3689, 3808, 3836, 3968, 4216, 4247, 4352, 4384, 4658, 6944, 7378, 7616, 7672, 7936, 8432, 8494, 8704, 8768, 9316, 13888, 14756, 15232, 15344, 15872, 16303, 16864, 16988, 17536, 18632, 27776, 29512, 29729, 30464, 30688, 32606, 33728, 33976, 35072, 37264, 55552, 59024, 59458, 60928, 61376, 65212, 67456, 67952, 70144, 72199, 74528, 111104, 118048, 118916, 122752, 130424, 134912, 135904, 144398, 149056, 236096, 237832, 245504, 260848, 269824, 271808, 288796, 298112, 472192, 475664, 491008, 505393, 521696, 543616, 577592, 596224, 944384, 951328, 1010786, 1043392, 1087232, 1155184, 1192448, 1888768, 1902656, 2021572, 2086784, 2174464, 2310368, 3805312, 4043144, 4173568, 4620736, 7610624, 8086288, 8347136, 9241472, 15221248, 16172576, 18482944, 32345152, 36965888, 64690304, 129380608, 258761216]

約数ペア:

[(1, 258761216), (2, 129380608), (4, 64690304), (7, 36965888), (8, 32345152), (14, 18482944), (16, 16172576), (17, 15221248), (28, 9241472), (31, 8347136), (32, 8086288), (34, 7610624), (56, 4620736), (62, 4173568), (64, 4043144), (68, 3805312), (112, 2310368), (119, 2174464), (124, 2086784), (128, 2021572), (136, 1902656), (137, 1888768), (217, 1192448), (224, 1155184), (238, 1087232), (248, 1043392), (256, 1010786), (272, 951328), (274, 944384), (434, 596224), (448, 577592), (476, 543616), (496, 521696), (512, 505393), (527, 491008), (544, 475664), (548, 472192), (868, 298112), (896, 288796), (952, 271808), (959, 269824), (992, 260848), (1054, 245504), (1088, 237832), (1096, 236096), (1736, 149056), (1792, 144398), (1904, 135904), (1918, 134912), (1984, 130424), (2108, 122752), (2176, 118916), (2192, 118048), (2329, 111104), (3472, 74528), (3584, 72199), (3689, 70144), (3808, 67952), (3836, 67456), (3968, 65212), (4216, 61376), (4247, 60928), (4352, 59458), (4384, 59024), (4658, 55552), (6944, 37264), (7378, 35072), (7616, 33976), (7672, 33728), (7936, 32606), (8432, 30688), (8494, 30464), (8704, 29729), (8768, 29512), (9316, 27776), (13888, 18632), (14756, 17536), (15232, 16988), (15344, 16864), (15872, 16303)]