642653312

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1430

約数の個数: 128

約数和(自身を含む): 1600404480

約数和(自身を除く): 957751168

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, 272, 434, 448, 476, 496, 527, 544, 868, 896, 952, 992, 1054, 1088, 1361, 1736, 1904, 1984, 2108, 2176, 2722, 3472, 3689, 3808, 3968, 4216, 5444, 6944, 7378, 7616, 8432, 9527, 10888, 13888, 14756, 15232, 16864, 19054, 21776, 23137, 27776, 29512, 33728, 38108, 42191, 43552, 46274, 59024, 67456, 76216, 84382, 87104, 92548, 118048, 152432, 161959, 168764, 174208, 185096, 236096, 295337, 304864, 323918, 337528, 370192, 472192, 590674, 609728, 647836, 675056, 717247, 740384, 1181348, 1219456, 1295672, 1350112, 1434494, 1480768, 2362696, 2591344, 2700224, 2868988, 2961536, 4725392, 5020729, 5182688, 5400448, 5737976, 9450784, 10041458, 10365376, 11475952, 18901568, 20082916, 20730752, 22951904, 37803136, 40165832, 45903808, 80331664, 91807616, 160663328, 321326656, 642653312]

約数ペア:

[(1, 642653312), (2, 321326656), (4, 160663328), (7, 91807616), (8, 80331664), (14, 45903808), (16, 40165832), (17, 37803136), (28, 22951904), (31, 20730752), (32, 20082916), (34, 18901568), (56, 11475952), (62, 10365376), (64, 10041458), (68, 9450784), (112, 5737976), (119, 5400448), (124, 5182688), (128, 5020729), (136, 4725392), (217, 2961536), (224, 2868988), (238, 2700224), (248, 2591344), (272, 2362696), (434, 1480768), (448, 1434494), (476, 1350112), (496, 1295672), (527, 1219456), (544, 1181348), (868, 740384), (896, 717247), (952, 675056), (992, 647836), (1054, 609728), (1088, 590674), (1361, 472192), (1736, 370192), (1904, 337528), (1984, 323918), (2108, 304864), (2176, 295337), (2722, 236096), (3472, 185096), (3689, 174208), (3808, 168764), (3968, 161959), (4216, 152432), (5444, 118048), (6944, 92548), (7378, 87104), (7616, 84382), (8432, 76216), (9527, 67456), (10888, 59024), (13888, 46274), (14756, 43552), (15232, 42191), (16864, 38108), (19054, 33728), (21776, 29512), (23137, 27776)]