209250685

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{541}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 295333632

約数和(自身を除く): 86082947

約数列:

[1, 5, 7, 35, 43, 215, 257, 301, 541, 1285, 1505, 1799, 2705, 3787, 8995, 11051, 18935, 23263, 55255, 77357, 116315, 139037, 162841, 386785, 695185, 814205, 973259, 4866295, 5978591, 29892955, 41850137, 209250685]

約数ペア:

[(1, 209250685), (5, 41850137), (7, 29892955), (35, 5978591), (43, 4866295), (215, 973259), (257, 814205), (301, 695185), (541, 386785), (1285, 162841), (1505, 139037), (1799, 116315), (2705, 77357), (3787, 55255), (8995, 23263), (11051, 18935)]