290238418954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{20517349}}^1$

素因数の和:20518005

約数の個数: 16

約数和(自身を含む): 475674242400

約数和(自身を除く): 185435823446

約数列:

[1, 2, 11, 22, 643, 1286, 7073, 14146, 20517349, 41034698, 225690839, 451381678, 13192655407, 26385310814, 145119209477, 290238418954]

約数ペア:

[(1, 290238418954), (2, 145119209477), (11, 26385310814), (22, 13192655407), (643, 451381678), (1286, 225690839), (7073, 41034698), (14146, 20517349)]