205872919

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1\times {\mathrm{487}}^1$

素因数の和:1086

約数の個数: 16

約数和(自身を含む): 238081536

約数和(自身を除く): 32208617

約数列:

[1, 7, 131, 461, 487, 917, 3227, 3409, 60391, 63797, 224507, 422737, 446579, 1571549, 29410417, 205872919]

約数ペア:

[(1, 205872919), (7, 29410417), (131, 1571549), (461, 446579), (487, 422737), (917, 224507), (3227, 63797), (3409, 60391)]