197487577

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{2521}}^1$

素因数の和:2597

約数の個数: 24

約数和(自身を含む): 245985792

約数和(自身を除く): 48498215

約数列:

[1, 7, 19, 31, 133, 217, 361, 589, 2521, 2527, 4123, 11191, 17647, 47899, 78151, 78337, 335293, 547057, 910081, 1484869, 6370567, 10394083, 28212511, 197487577]

約数ペア:

[(1, 197487577), (7, 28212511), (19, 10394083), (31, 6370567), (133, 1484869), (217, 910081), (361, 547057), (589, 335293), (2521, 78337), (2527, 78151), (4123, 47899), (11191, 17647)]