820273970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1051}}^1\times {\mathrm{4591}}^1$

素因数の和:5666

約数の個数: 32

約数和(自身を含む): 1565174016

約数和(自身を除く): 744900046

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1051, 2102, 4591, 5255, 9182, 10510, 17867, 22955, 35734, 45910, 78047, 89335, 156094, 178670, 390235, 780470, 4825141, 9650282, 24125705, 48251410, 82027397, 164054794, 410136985, 820273970]

約数ペア:

[(1, 820273970), (2, 410136985), (5, 164054794), (10, 82027397), (17, 48251410), (34, 24125705), (85, 9650282), (170, 4825141), (1051, 780470), (2102, 390235), (4591, 178670), (5255, 156094), (9182, 89335), (10510, 78047), (17867, 45910), (22955, 35734)]