638901429

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 1003622400

約数和(自身を除く): 364720971

約数列:

[1, 3, 17, 19, 23, 51, 57, 69, 109, 263, 323, 327, 391, 437, 789, 969, 1173, 1311, 1853, 2071, 2507, 4471, 4997, 5559, 6049, 6213, 7429, 7521, 13413, 14991, 18147, 22287, 28667, 35207, 42619, 47633, 84949, 86001, 102833, 105621, 114931, 127857, 142899, 254847, 308499, 344793, 487339, 544673, 659341, 809761, 1462017, 1634019, 1953827, 1978023, 2429283, 5861481, 9259441, 11208797, 12527479, 27778323, 33626391, 37582437, 212967143, 638901429]

約数ペア:

[(1, 638901429), (3, 212967143), (17, 37582437), (19, 33626391), (23, 27778323), (51, 12527479), (57, 11208797), (69, 9259441), (109, 5861481), (263, 2429283), (323, 1978023), (327, 1953827), (391, 1634019), (437, 1462017), (789, 809761), (969, 659341), (1173, 544673), (1311, 487339), (1853, 344793), (2071, 308499), (2507, 254847), (4471, 142899), (4997, 127857), (5559, 114931), (6049, 105621), (6213, 102833), (7429, 86001), (7521, 84949), (13413, 47633), (14991, 42619), (18147, 35207), (22287, 28667)]