257809888

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:456

約数の個数: 96

約数和(自身を含む): 605380608

約数和(自身を除く): 347570720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 137, 217, 224, 248, 271, 274, 434, 496, 542, 548, 868, 959, 992, 1084, 1096, 1736, 1897, 1918, 2168, 2192, 3472, 3794, 3836, 4247, 4336, 4384, 6944, 7588, 7672, 8401, 8494, 8672, 15176, 15344, 16802, 16988, 29729, 30352, 30688, 33604, 33976, 37127, 58807, 59458, 60704, 67208, 67952, 74254, 117614, 118916, 134416, 135904, 148508, 235228, 237832, 259889, 268832, 297016, 470456, 475664, 519778, 594032, 940912, 951328, 1039556, 1150937, 1188064, 1881824, 2079112, 2301874, 4158224, 4603748, 8056559, 8316448, 9207496, 16113118, 18414992, 32226236, 36829984, 64452472, 128904944, 257809888]

約数ペア:

[(1, 257809888), (2, 128904944), (4, 64452472), (7, 36829984), (8, 32226236), (14, 18414992), (16, 16113118), (28, 9207496), (31, 8316448), (32, 8056559), (56, 4603748), (62, 4158224), (112, 2301874), (124, 2079112), (137, 1881824), (217, 1188064), (224, 1150937), (248, 1039556), (271, 951328), (274, 940912), (434, 594032), (496, 519778), (542, 475664), (548, 470456), (868, 297016), (959, 268832), (992, 259889), (1084, 237832), (1096, 235228), (1736, 148508), (1897, 135904), (1918, 134416), (2168, 118916), (2192, 117614), (3472, 74254), (3794, 67952), (3836, 67208), (4247, 60704), (4336, 59458), (4384, 58807), (6944, 37127), (7588, 33976), (7672, 33604), (8401, 30688), (8494, 30352), (8672, 29729), (15176, 16988), (15344, 16802)]