261594368

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:348

約数の個数: 144

約数和(自身を含む): 654603264

約数和(自身を除く): 393008896

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 32, 34, 56, 62, 64, 68, 112, 119, 124, 128, 136, 217, 224, 238, 248, 256, 272, 277, 434, 448, 476, 496, 527, 544, 554, 868, 896, 952, 992, 1054, 1088, 1108, 1736, 1792, 1904, 1939, 1984, 2108, 2176, 2216, 3472, 3689, 3808, 3878, 3968, 4216, 4352, 4432, 4709, 6944, 7378, 7616, 7756, 7936, 8432, 8587, 8864, 9418, 13888, 14756, 15232, 15512, 16864, 17174, 17728, 18836, 27776, 29512, 30464, 31024, 32963, 33728, 34348, 35456, 37672, 55552, 59024, 60109, 62048, 65926, 67456, 68696, 70912, 75344, 118048, 120218, 124096, 131852, 134912, 137392, 145979, 150688, 236096, 240436, 248192, 263704, 274784, 291958, 301376, 472192, 480872, 496384, 527408, 549568, 583916, 602752, 944384, 961744, 1021853, 1054816, 1099136, 1167832, 1205504, 1923488, 2043706, 2109632, 2198272, 2335664, 3846976, 4087412, 4219264, 4671328, 7693952, 8174824, 8438528, 9342656, 15387904, 16349648, 18685312, 32699296, 37370624, 65398592, 130797184, 261594368]

約数ペア:

[(1, 261594368), (2, 130797184), (4, 65398592), (7, 37370624), (8, 32699296), (14, 18685312), (16, 16349648), (17, 15387904), (28, 9342656), (31, 8438528), (32, 8174824), (34, 7693952), (56, 4671328), (62, 4219264), (64, 4087412), (68, 3846976), (112, 2335664), (119, 2198272), (124, 2109632), (128, 2043706), (136, 1923488), (217, 1205504), (224, 1167832), (238, 1099136), (248, 1054816), (256, 1021853), (272, 961744), (277, 944384), (434, 602752), (448, 583916), (476, 549568), (496, 527408), (527, 496384), (544, 480872), (554, 472192), (868, 301376), (896, 291958), (952, 274784), (992, 263704), (1054, 248192), (1088, 240436), (1108, 236096), (1736, 150688), (1792, 145979), (1904, 137392), (1939, 134912), (1984, 131852), (2108, 124096), (2176, 120218), (2216, 118048), (3472, 75344), (3689, 70912), (3808, 68696), (3878, 67456), (3968, 65926), (4216, 62048), (4352, 60109), (4432, 59024), (4709, 55552), (6944, 37672), (7378, 35456), (7616, 34348), (7756, 33728), (7936, 32963), (8432, 31024), (8587, 30464), (8864, 29512), (9418, 27776), (13888, 18836), (14756, 17728), (15232, 17174), (15512, 16864)]