813888944

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{881}}^1$

素因数の和:1110

約数の個数: 80

約数和(自身を含む): 1791447840

約数和(自身を除く): 977558896

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 176, 181, 232, 319, 362, 464, 638, 724, 881, 1276, 1448, 1762, 1991, 2552, 2896, 3524, 3982, 5104, 5249, 7048, 7964, 9691, 10498, 14096, 15928, 19382, 20996, 25549, 31856, 38764, 41992, 51098, 57739, 77528, 83984, 102196, 115478, 155056, 159461, 204392, 230956, 281039, 318922, 408784, 461912, 562078, 637844, 923824, 1124156, 1275688, 1754071, 2248312, 2551376, 3508142, 4496624, 4624369, 7016284, 9248738, 14032568, 18497476, 28065136, 36994952, 50868059, 73989904, 101736118, 203472236, 406944472, 813888944]

約数ペア:

[(1, 813888944), (2, 406944472), (4, 203472236), (8, 101736118), (11, 73989904), (16, 50868059), (22, 36994952), (29, 28065136), (44, 18497476), (58, 14032568), (88, 9248738), (116, 7016284), (176, 4624369), (181, 4496624), (232, 3508142), (319, 2551376), (362, 2248312), (464, 1754071), (638, 1275688), (724, 1124156), (881, 923824), (1276, 637844), (1448, 562078), (1762, 461912), (1991, 408784), (2552, 318922), (2896, 281039), (3524, 230956), (3982, 204392), (5104, 159461), (5249, 155056), (7048, 115478), (7964, 102196), (9691, 83984), (10498, 77528), (14096, 57739), (15928, 51098), (19382, 41992), (20996, 38764), (25549, 31856)]