221520408

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{66403}}^1$

素因数の和:66551

約数の個数: 32

約数和(自身を含む): 557793600

約数和(自身を除く): 336273192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 278, 417, 556, 834, 1112, 1668, 3336, 66403, 132806, 199209, 265612, 398418, 531224, 796836, 1593672, 9230017, 18460034, 27690051, 36920068, 55380102, 73840136, 110760204, 221520408]

約数ペア:

[(1, 221520408), (2, 110760204), (3, 73840136), (4, 55380102), (6, 36920068), (8, 27690051), (12, 18460034), (24, 9230017), (139, 1593672), (278, 796836), (417, 531224), (556, 398418), (834, 265612), (1112, 199209), (1668, 132806), (3336, 66403)]