261087232

素因数分解:

$2^{13}\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 112

約数和(自身を含む): 621243360

約数和(自身を除く): 360156128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 157, 203, 224, 232, 256, 314, 406, 448, 464, 512, 628, 812, 896, 928, 1024, 1099, 1256, 1624, 1792, 1856, 2048, 2198, 2512, 3248, 3584, 3712, 4096, 4396, 4553, 5024, 6496, 7168, 7424, 8192, 8792, 9106, 10048, 12992, 14336, 14848, 17584, 18212, 20096, 25984, 28672, 29696, 31871, 35168, 36424, 40192, 51968, 57344, 59392, 63742, 70336, 72848, 80384, 103936, 118784, 127484, 140672, 145696, 160768, 207872, 237568, 254968, 281344, 291392, 321536, 415744, 509936, 562688, 582784, 643072, 831488, 1019872, 1125376, 1165568, 1286144, 1662976, 2039744, 2250752, 2331136, 4079488, 4501504, 4662272, 8158976, 9003008, 9324544, 16317952, 18649088, 32635904, 37298176, 65271808, 130543616, 261087232]

約数ペア:

[(1, 261087232), (2, 130543616), (4, 65271808), (7, 37298176), (8, 32635904), (14, 18649088), (16, 16317952), (28, 9324544), (29, 9003008), (32, 8158976), (56, 4662272), (58, 4501504), (64, 4079488), (112, 2331136), (116, 2250752), (128, 2039744), (157, 1662976), (203, 1286144), (224, 1165568), (232, 1125376), (256, 1019872), (314, 831488), (406, 643072), (448, 582784), (464, 562688), (512, 509936), (628, 415744), (812, 321536), (896, 291392), (928, 281344), (1024, 254968), (1099, 237568), (1256, 207872), (1624, 160768), (1792, 145696), (1856, 140672), (2048, 127484), (2198, 118784), (2512, 103936), (3248, 80384), (3584, 72848), (3712, 70336), (4096, 63742), (4396, 59392), (4553, 57344), (5024, 51968), (6496, 40192), (7168, 36424), (7424, 35168), (8192, 31871), (8792, 29696), (9106, 28672), (10048, 25984), (12992, 20096), (14336, 18212), (14848, 17584)]