219749327

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1721}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 282683520

約数和(自身を除く): 62934193

約数列:

[1, 7, 17, 29, 37, 119, 203, 259, 493, 629, 1073, 1721, 3451, 4403, 7511, 12047, 18241, 29257, 49909, 63677, 127687, 204799, 349363, 445739, 848453, 1082509, 1846633, 5939171, 7577563, 12926431, 31392761, 219749327]

約数ペア:

[(1, 219749327), (7, 31392761), (17, 12926431), (29, 7577563), (37, 5939171), (119, 1846633), (203, 1082509), (259, 848453), (493, 445739), (629, 349363), (1073, 204799), (1721, 127687), (3451, 63677), (4403, 49909), (7511, 29257), (12047, 18241)]