678777728

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{433}}^1$

素因数の和:815

約数の個数: 64

約数和(自身を含む): 1396212720

約数和(自身を除く): 717434992

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 296, 331, 433, 592, 662, 866, 1184, 1324, 1732, 2368, 2648, 3464, 4736, 5296, 6928, 10592, 12247, 13856, 16021, 21184, 24494, 27712, 32042, 42368, 48988, 55424, 64084, 97976, 128168, 143323, 195952, 256336, 286646, 391904, 512672, 573292, 783808, 1025344, 1146584, 1567616, 2050688, 2293168, 4586336, 5302951, 9172672, 10605902, 18345344, 21211804, 42423608, 84847216, 169694432, 339388864, 678777728]

約数ペア:

[(1, 678777728), (2, 339388864), (4, 169694432), (8, 84847216), (16, 42423608), (32, 21211804), (37, 18345344), (64, 10605902), (74, 9172672), (128, 5302951), (148, 4586336), (296, 2293168), (331, 2050688), (433, 1567616), (592, 1146584), (662, 1025344), (866, 783808), (1184, 573292), (1324, 512672), (1732, 391904), (2368, 286646), (2648, 256336), (3464, 195952), (4736, 143323), (5296, 128168), (6928, 97976), (10592, 64084), (12247, 55424), (13856, 48988), (16021, 42368), (21184, 32042), (24494, 27712)]