856558087

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{52721}}^1$

素因数の和:52950

約数の個数: 16

約数和(自身を含む): 1072998144

約数和(自身を除く): 216440057

約数列:

[1, 7, 11, 77, 211, 1477, 2321, 16247, 52721, 369047, 579931, 4059517, 11124131, 77868917, 122365441, 856558087]

約数ペア:

[(1, 856558087), (7, 122365441), (11, 77868917), (77, 11124131), (211, 4059517), (1477, 579931), (2321, 369047), (16247, 52721)]