643670038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{2069}}^1$

素因数の和:2340

約数の個数: 32

約数和(自身を含む): 1073088000

約数和(自身を除く): 429417962

約数列:

[1, 2, 11, 22, 79, 158, 179, 358, 869, 1738, 1969, 2069, 3938, 4138, 14141, 22759, 28282, 45518, 155551, 163451, 311102, 326902, 370351, 740702, 1797961, 3595922, 4073861, 8147722, 29257729, 58515458, 321835019, 643670038]

約数ペア:

[(1, 643670038), (2, 321835019), (11, 58515458), (22, 29257729), (79, 8147722), (158, 4073861), (179, 3595922), (358, 1797961), (869, 740702), (1738, 370351), (1969, 326902), (2069, 311102), (3938, 163451), (4138, 155551), (14141, 45518), (22759, 28282)]