639044224

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:778

約数の個数: 128

約数和(自身を含む): 1588164480

約数和(自身を除く): 949120256

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 83, 91, 104, 112, 128, 166, 182, 208, 224, 332, 364, 416, 448, 581, 661, 664, 728, 832, 896, 1079, 1162, 1322, 1328, 1456, 1664, 2158, 2324, 2644, 2656, 2912, 4316, 4627, 4648, 5288, 5312, 5824, 7553, 8593, 8632, 9254, 9296, 10576, 10624, 11648, 15106, 17186, 17264, 18508, 18592, 21152, 30212, 34372, 34528, 37016, 37184, 42304, 54863, 60151, 60424, 68744, 69056, 74032, 74368, 84608, 109726, 120302, 120848, 137488, 138112, 148064, 219452, 240604, 241696, 274976, 296128, 384041, 438904, 481208, 483392, 549952, 592256, 713219, 768082, 877808, 962416, 966784, 1099904, 1426438, 1536164, 1755616, 1924832, 2852876, 3072328, 3511232, 3849664, 4992533, 5705752, 6144656, 7022464, 7699328, 9985066, 11411504, 12289312, 19970132, 22823008, 24578624, 39940264, 45646016, 49157248, 79880528, 91292032, 159761056, 319522112, 639044224]

約数ペア:

[(1, 639044224), (2, 319522112), (4, 159761056), (7, 91292032), (8, 79880528), (13, 49157248), (14, 45646016), (16, 39940264), (26, 24578624), (28, 22823008), (32, 19970132), (52, 12289312), (56, 11411504), (64, 9985066), (83, 7699328), (91, 7022464), (104, 6144656), (112, 5705752), (128, 4992533), (166, 3849664), (182, 3511232), (208, 3072328), (224, 2852876), (332, 1924832), (364, 1755616), (416, 1536164), (448, 1426438), (581, 1099904), (661, 966784), (664, 962416), (728, 877808), (832, 768082), (896, 713219), (1079, 592256), (1162, 549952), (1322, 483392), (1328, 481208), (1456, 438904), (1664, 384041), (2158, 296128), (2324, 274976), (2644, 241696), (2656, 240604), (2912, 219452), (4316, 148064), (4627, 138112), (4648, 137488), (5288, 120848), (5312, 120302), (5824, 109726), (7553, 84608), (8593, 74368), (8632, 74032), (9254, 69056), (9296, 68744), (10576, 60424), (10624, 60151), (11648, 54863), (15106, 42304), (17186, 37184), (17264, 37016), (18508, 34528), (18592, 34372), (21152, 30212)]