678173984

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{1489}}^1$

素因数の和:1873

約数の個数: 48

約数和(自身を含む): 1371252960

約数和(自身を除く): 693078976

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 331, 344, 662, 688, 1324, 1376, 1489, 2648, 2978, 5296, 5956, 10592, 11912, 14233, 23824, 28466, 47648, 56932, 64027, 113864, 128054, 227728, 256108, 455456, 492859, 512216, 985718, 1024432, 1971436, 2048864, 3942872, 7885744, 15771488, 21192937, 42385874, 84771748, 169543496, 339086992, 678173984]

約数ペア:

[(1, 678173984), (2, 339086992), (4, 169543496), (8, 84771748), (16, 42385874), (32, 21192937), (43, 15771488), (86, 7885744), (172, 3942872), (331, 2048864), (344, 1971436), (662, 1024432), (688, 985718), (1324, 512216), (1376, 492859), (1489, 455456), (2648, 256108), (2978, 227728), (5296, 128054), (5956, 113864), (10592, 64027), (11912, 56932), (14233, 47648), (23824, 28466)]