388865984

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15077}}^1$

素因数の和:15133

約数の個数: 56

約数和(自身を含む): 857877888

約数和(自身を除く): 469011904

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1984, 3224, 6448, 12896, 15077, 25792, 30154, 60308, 120616, 196001, 241232, 392002, 467387, 482464, 784004, 934774, 964928, 1568008, 1869548, 3136016, 3739096, 6076031, 6272032, 7478192, 12152062, 12544064, 14956384, 24304124, 29912768, 48608248, 97216496, 194432992, 388865984]

約数ペア:

[(1, 388865984), (2, 194432992), (4, 97216496), (8, 48608248), (13, 29912768), (16, 24304124), (26, 14956384), (31, 12544064), (32, 12152062), (52, 7478192), (62, 6272032), (64, 6076031), (104, 3739096), (124, 3136016), (208, 1869548), (248, 1568008), (403, 964928), (416, 934774), (496, 784004), (806, 482464), (832, 467387), (992, 392002), (1612, 241232), (1984, 196001), (3224, 120616), (6448, 60308), (12896, 30154), (15077, 25792)]