643710976

素因数分解:

$2^{14}\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:518

約数の個数: 60

約数和(自身を含む): 1303471260

約数和(自身を除く): 659760284

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 256, 389, 404, 512, 778, 808, 1024, 1556, 1616, 2048, 3112, 3232, 4096, 6224, 6464, 8192, 12448, 12928, 16384, 24896, 25856, 39289, 49792, 51712, 78578, 99584, 103424, 157156, 199168, 206848, 314312, 398336, 413696, 628624, 796672, 827392, 1257248, 1593344, 1654784, 2514496, 3186688, 5028992, 6373376, 10057984, 20115968, 40231936, 80463872, 160927744, 321855488, 643710976]

約数ペア:

[(1, 643710976), (2, 321855488), (4, 160927744), (8, 80463872), (16, 40231936), (32, 20115968), (64, 10057984), (101, 6373376), (128, 5028992), (202, 3186688), (256, 2514496), (389, 1654784), (404, 1593344), (512, 1257248), (778, 827392), (808, 796672), (1024, 628624), (1556, 413696), (1616, 398336), (2048, 314312), (3112, 206848), (3232, 199168), (4096, 157156), (6224, 103424), (6464, 99584), (8192, 78578), (12448, 51712), (12928, 49792), (16384, 39289), (24896, 25856)]