211315856

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{197123}}^1$

素因数の和:197198

約数の個数: 20

約数和(自身を含む): 415537392

約数和(自身を除く): 204221536

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 197123, 394246, 788492, 1576984, 3153968, 13207241, 26414482, 52828964, 105657928, 211315856]

約数ペア:

[(1, 211315856), (2, 105657928), (4, 52828964), (8, 26414482), (16, 13207241), (67, 3153968), (134, 1576984), (268, 788492), (536, 394246), (1072, 197123)]