164681209

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1103}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 209927808

約数和(自身を除く): 45246599

約数列:

[1, 7, 11, 49, 77, 277, 539, 1103, 1939, 3047, 7721, 12133, 13573, 21329, 54047, 84931, 149303, 305531, 594517, 2138717, 3360841, 14971019, 23525887, 164681209]

約数ペア:

[(1, 164681209), (7, 23525887), (11, 14971019), (49, 3360841), (77, 2138717), (277, 594517), (539, 305531), (1103, 149303), (1939, 84931), (3047, 54047), (7721, 21329), (12133, 13573)]