16690037

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 32

約数和(自身を含む): 22176000

約数和(自身を除く): 5485963

約数列:

[1, 7, 13, 19, 49, 91, 133, 197, 247, 343, 637, 931, 1379, 1729, 2561, 3743, 4459, 6517, 9653, 12103, 17927, 26201, 48659, 67571, 84721, 125489, 183407, 340613, 878423, 1283849, 2384291, 16690037]

約数ペア:

[(1, 16690037), (7, 2384291), (13, 1283849), (19, 878423), (49, 340613), (91, 183407), (133, 125489), (197, 84721), (247, 67571), (343, 48659), (637, 26201), (931, 17927), (1379, 12103), (1729, 9653), (2561, 6517), (3743, 4459)]