81727872

素因数分解:

$2^7\times 3^1\times {\mathrm{331}}^1\times {\mathrm{643}}^1$

素因数の和:991

約数の個数: 64

約数和(自身を含む): 218084160

約数和(自身を除く): 136356288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 331, 384, 643, 662, 993, 1286, 1324, 1929, 1986, 2572, 2648, 3858, 3972, 5144, 5296, 7716, 7944, 10288, 10592, 15432, 15888, 20576, 21184, 30864, 31776, 41152, 42368, 61728, 63552, 82304, 123456, 127104, 212833, 246912, 425666, 638499, 851332, 1276998, 1702664, 2553996, 3405328, 5107992, 6810656, 10215984, 13621312, 20431968, 27242624, 40863936, 81727872]

約数ペア:

[(1, 81727872), (2, 40863936), (3, 27242624), (4, 20431968), (6, 13621312), (8, 10215984), (12, 6810656), (16, 5107992), (24, 3405328), (32, 2553996), (48, 1702664), (64, 1276998), (96, 851332), (128, 638499), (192, 425666), (331, 246912), (384, 212833), (643, 127104), (662, 123456), (993, 82304), (1286, 63552), (1324, 61728), (1929, 42368), (1986, 41152), (2572, 31776), (2648, 30864), (3858, 21184), (3972, 20576), (5144, 15888), (5296, 15432), (7716, 10592), (7944, 10288)]