643054352

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{1385893}}^1$

素因数の和:1385930

約数の個数: 20

約数和(自身を含む): 1288881420

約数和(自身を除く): 645827068

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 1385893, 2771786, 5543572, 11087144, 22174288, 40190897, 80381794, 160763588, 321527176, 643054352]

約数ペア:

[(1, 643054352), (2, 321527176), (4, 160763588), (8, 80381794), (16, 40190897), (29, 22174288), (58, 11087144), (116, 5543572), (232, 2771786), (464, 1385893)]