2011090435

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{15881}}^1$

素因数の和:15979

約数の個数: 32

約数和(自身を含む): 2683422720

約数和(自身を除く): 672332285

約数列:

[1, 5, 19, 31, 43, 95, 155, 215, 589, 817, 1333, 2945, 4085, 6665, 15881, 25327, 79405, 126635, 301739, 492311, 682883, 1508695, 2461555, 3414415, 9353909, 12974777, 21169373, 46769545, 64873885, 105846865, 402218087, 2011090435]

約数ペア:

[(1, 2011090435), (5, 402218087), (19, 105846865), (31, 64873885), (43, 46769545), (95, 21169373), (155, 12974777), (215, 9353909), (589, 3414415), (817, 2461555), (1333, 1508695), (2945, 682883), (4085, 492311), (6665, 301739), (15881, 126635), (25327, 79405)]