128132641

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 166053888

約数和(自身を除く): 37921247

約数列:

[1, 7, 13, 31, 53, 91, 217, 371, 403, 689, 857, 1643, 2821, 4823, 5999, 11141, 11501, 21359, 26567, 45421, 77987, 149513, 185969, 317947, 345371, 590473, 1408051, 2417597, 4133311, 9856357, 18304663, 128132641]

約数ペア:

[(1, 128132641), (7, 18304663), (13, 9856357), (31, 4133311), (53, 2417597), (91, 1408051), (217, 590473), (371, 345371), (403, 317947), (689, 185969), (857, 149513), (1643, 77987), (2821, 45421), (4823, 26567), (5999, 21359), (11141, 11501)]