654319856

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{347}}^1\times {\mathrm{1759}}^1$

素因数の和:2181

約数の個数: 40

約数和(自身を含む): 1291107840

約数和(自身を除く): 636787984

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 347, 536, 694, 1072, 1388, 1759, 2776, 3518, 5552, 7036, 14072, 23249, 28144, 46498, 92996, 117853, 185992, 235706, 371984, 471412, 610373, 942824, 1220746, 1885648, 2441492, 4882984, 9765968, 40894991, 81789982, 163579964, 327159928, 654319856]

約数ペア:

[(1, 654319856), (2, 327159928), (4, 163579964), (8, 81789982), (16, 40894991), (67, 9765968), (134, 4882984), (268, 2441492), (347, 1885648), (536, 1220746), (694, 942824), (1072, 610373), (1388, 471412), (1759, 371984), (2776, 235706), (3518, 185992), (5552, 117853), (7036, 92996), (14072, 46498), (23249, 28144)]