2005040639

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{773}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 2471648256

約数和(自身を除く): 466607617

約数列:

[1, 7, 17, 71, 119, 307, 497, 773, 1207, 2149, 5219, 5411, 8449, 13141, 21797, 36533, 54883, 91987, 152579, 237311, 370549, 384181, 933011, 1661177, 2593843, 4034287, 6531077, 16849081, 28240009, 117943567, 286434377, 2005040639]

約数ペア:

[(1, 2005040639), (7, 286434377), (17, 117943567), (71, 28240009), (119, 16849081), (307, 6531077), (497, 4034287), (773, 2593843), (1207, 1661177), (2149, 933011), (5219, 384181), (5411, 370549), (8449, 237311), (13141, 152579), (21797, 91987), (36533, 54883)]