172017587

素因数分解:

$7^3\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 209088000

約数和(自身を除く): 37070413

約数列:

[1, 7, 43, 49, 107, 109, 301, 343, 749, 763, 2107, 4601, 4687, 5243, 5341, 11663, 14749, 32207, 32809, 36701, 37387, 81641, 225449, 229663, 501509, 571487, 1578143, 1607641, 3510563, 4000409, 24573941, 172017587]

約数ペア:

[(1, 172017587), (7, 24573941), (43, 4000409), (49, 3510563), (107, 1607641), (109, 1578143), (301, 571487), (343, 501509), (749, 229663), (763, 225449), (2107, 81641), (4601, 37387), (4687, 36701), (5243, 32809), (5341, 32207), (11663, 14749)]