199397905

素因数分解:

$5^1\times 7^3\times {\mathrm{233}}^1\times {\mathrm{499}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 280800000

約数和(自身を除く): 81402095

約数列:

[1, 5, 7, 35, 49, 233, 245, 343, 499, 1165, 1631, 1715, 2495, 3493, 8155, 11417, 17465, 24451, 57085, 79919, 116267, 122255, 171157, 399595, 581335, 813869, 855785, 4069345, 5697083, 28485415, 39879581, 199397905]

約数ペア:

[(1, 199397905), (5, 39879581), (7, 28485415), (35, 5697083), (49, 4069345), (233, 855785), (245, 813869), (343, 581335), (499, 399595), (1165, 171157), (1631, 122255), (1715, 116267), (2495, 79919), (3493, 57085), (8155, 24451), (11417, 17465)]