1386831872

素因数分解:

$2^{13}\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 112

約数和(自身を含む): 2952609792

約数和(自身を除く): 1565777920

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 64, 86, 124, 127, 128, 172, 248, 254, 256, 344, 496, 508, 512, 688, 992, 1016, 1024, 1333, 1376, 1984, 2032, 2048, 2666, 2752, 3937, 3968, 4064, 4096, 5332, 5461, 5504, 7874, 7936, 8128, 8192, 10664, 10922, 11008, 15748, 15872, 16256, 21328, 21844, 22016, 31496, 31744, 32512, 42656, 43688, 44032, 62992, 63488, 65024, 85312, 87376, 88064, 125984, 126976, 130048, 169291, 170624, 174752, 176128, 251968, 253952, 260096, 338582, 341248, 349504, 352256, 503936, 520192, 677164, 682496, 699008, 1007872, 1040384, 1354328, 1364992, 1398016, 2015744, 2708656, 2729984, 2796032, 4031488, 5417312, 5459968, 5592064, 8062976, 10834624, 10919936, 11184128, 16125952, 21669248, 22368256, 32251904, 43338496, 44736512, 86676992, 173353984, 346707968, 693415936, 1386831872]

約数ペア:

[(1, 1386831872), (2, 693415936), (4, 346707968), (8, 173353984), (16, 86676992), (31, 44736512), (32, 43338496), (43, 32251904), (62, 22368256), (64, 21669248), (86, 16125952), (124, 11184128), (127, 10919936), (128, 10834624), (172, 8062976), (248, 5592064), (254, 5459968), (256, 5417312), (344, 4031488), (496, 2796032), (508, 2729984), (512, 2708656), (688, 2015744), (992, 1398016), (1016, 1364992), (1024, 1354328), (1333, 1040384), (1376, 1007872), (1984, 699008), (2032, 682496), (2048, 677164), (2666, 520192), (2752, 503936), (3937, 352256), (3968, 349504), (4064, 341248), (4096, 338582), (5332, 260096), (5461, 253952), (5504, 251968), (7874, 176128), (7936, 174752), (8128, 170624), (8192, 169291), (10664, 130048), (10922, 126976), (11008, 125984), (15748, 88064), (15872, 87376), (16256, 85312), (21328, 65024), (21844, 63488), (22016, 62992), (31496, 44032), (31744, 43688), (32512, 42656)]