408064384

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:748

約数の個数: 128

約数和(自身を含む): 1020962880

約数和(自身を除く): 612898496

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 53, 56, 64, 91, 104, 106, 112, 128, 182, 208, 212, 224, 364, 371, 416, 424, 448, 661, 689, 728, 742, 832, 848, 896, 1322, 1378, 1456, 1484, 1664, 1696, 2644, 2756, 2912, 2968, 3392, 4627, 4823, 5288, 5512, 5824, 5936, 6784, 8593, 9254, 9646, 10576, 11024, 11648, 11872, 17186, 18508, 19292, 21152, 22048, 23744, 34372, 35033, 37016, 38584, 42304, 44096, 47488, 60151, 68744, 70066, 74032, 77168, 84608, 88192, 120302, 137488, 140132, 148064, 154336, 240604, 245231, 274976, 280264, 296128, 308672, 455429, 481208, 490462, 549952, 560528, 592256, 617344, 910858, 962416, 980924, 1099904, 1121056, 1821716, 1924832, 1961848, 2242112, 3188003, 3643432, 3849664, 3923696, 4484224, 6376006, 7286864, 7699328, 7847392, 12752012, 14573728, 15694784, 25504024, 29147456, 31389568, 51008048, 58294912, 102016096, 204032192, 408064384]

約数ペア:

[(1, 408064384), (2, 204032192), (4, 102016096), (7, 58294912), (8, 51008048), (13, 31389568), (14, 29147456), (16, 25504024), (26, 15694784), (28, 14573728), (32, 12752012), (52, 7847392), (53, 7699328), (56, 7286864), (64, 6376006), (91, 4484224), (104, 3923696), (106, 3849664), (112, 3643432), (128, 3188003), (182, 2242112), (208, 1961848), (212, 1924832), (224, 1821716), (364, 1121056), (371, 1099904), (416, 980924), (424, 962416), (448, 910858), (661, 617344), (689, 592256), (728, 560528), (742, 549952), (832, 490462), (848, 481208), (896, 455429), (1322, 308672), (1378, 296128), (1456, 280264), (1484, 274976), (1664, 245231), (1696, 240604), (2644, 154336), (2756, 148064), (2912, 140132), (2968, 137488), (3392, 120302), (4627, 88192), (4823, 84608), (5288, 77168), (5512, 74032), (5824, 70066), (5936, 68744), (6784, 60151), (8593, 47488), (9254, 44096), (9646, 42304), (10576, 38584), (11024, 37016), (11648, 35033), (11872, 34372), (17186, 23744), (18508, 22048), (19292, 21152)]