2649206812

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^2\times {\mathrm{137}}^2$

素因数の和:427

約数の個数: 54

約数和(自身を含む): 5413603496

約数和(自身を除く): 2764396684

約数列:

[1, 2, 4, 7, 14, 28, 71, 137, 142, 274, 284, 497, 548, 959, 994, 1918, 1988, 3836, 5041, 9727, 10082, 18769, 19454, 20164, 35287, 37538, 38908, 68089, 70574, 75076, 131383, 136178, 141148, 262766, 272356, 525532, 690617, 1332599, 1381234, 2665198, 2762468, 4834319, 5330396, 9328193, 9668638, 18656386, 19337276, 37312772, 94614529, 189229058, 378458116, 662301703, 1324603406, 2649206812]

約数ペア:

[(1, 2649206812), (2, 1324603406), (4, 662301703), (7, 378458116), (14, 189229058), (28, 94614529), (71, 37312772), (137, 19337276), (142, 18656386), (274, 9668638), (284, 9328193), (497, 5330396), (548, 4834319), (959, 2762468), (994, 2665198), (1918, 1381234), (1988, 1332599), (3836, 690617), (5041, 525532), (9727, 272356), (10082, 262766), (18769, 141148), (19454, 136178), (20164, 131383), (35287, 75076), (37538, 70574), (38908, 68089)]