201451789

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 259200000

約数和(自身を除く): 57748211

約数列:

[1, 7, 11, 49, 77, 107, 343, 499, 539, 749, 1177, 3493, 3773, 5243, 5489, 8239, 24451, 36701, 38423, 53393, 57673, 171157, 268961, 373751, 403711, 587323, 1882727, 2616257, 4111261, 18313799, 28778827, 201451789]

約数ペア:

[(1, 201451789), (7, 28778827), (11, 18313799), (49, 4111261), (77, 2616257), (107, 1882727), (343, 587323), (499, 403711), (539, 373751), (749, 268961), (1177, 171157), (3493, 57673), (3773, 53393), (5243, 38423), (5489, 36701), (8239, 24451)]