16945621

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 21751200

約数和(自身を除く): 4805579

約数列:

[1, 7, 11, 49, 77, 149, 211, 539, 1043, 1477, 1639, 2321, 7301, 10339, 11473, 16247, 31439, 80311, 113729, 220073, 345829, 1540511, 2420803, 16945621]

約数ペア:

[(1, 16945621), (7, 2420803), (11, 1540511), (49, 345829), (77, 220073), (149, 113729), (211, 80311), (539, 31439), (1043, 16247), (1477, 11473), (1639, 10339), (2321, 7301)]