211066079

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 262080000

約数和(自身を除く): 51013921

約数列:

[1, 7, 19, 49, 133, 139, 233, 343, 931, 973, 1631, 2641, 4427, 6517, 6811, 11417, 18487, 30989, 32387, 47677, 79919, 129409, 216923, 226709, 615353, 905863, 1518461, 1586963, 4307471, 11108741, 30152297, 211066079]

約数ペア:

[(1, 211066079), (7, 30152297), (19, 11108741), (49, 4307471), (133, 1586963), (139, 1518461), (233, 905863), (343, 615353), (931, 226709), (973, 216923), (1631, 129409), (2641, 79919), (4427, 47677), (6517, 32387), (6811, 30989), (11417, 18487)]