1621984

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 3937248

約数和(自身を除く): 2315264

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 557, 728, 1114, 1456, 2228, 2912, 3899, 4456, 7241, 7798, 8912, 14482, 15596, 17824, 28964, 31192, 50687, 57928, 62384, 101374, 115856, 124768, 202748, 231712, 405496, 810992, 1621984]

約数ペア:

[(1, 1621984), (2, 810992), (4, 405496), (7, 231712), (8, 202748), (13, 124768), (14, 115856), (16, 101374), (26, 62384), (28, 57928), (32, 50687), (52, 31192), (56, 28964), (91, 17824), (104, 15596), (112, 14482), (182, 8912), (208, 7798), (224, 7241), (364, 4456), (416, 3899), (557, 2912), (728, 2228), (1114, 1456)]