28545356

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 59136000

約数和(自身を除く): 30590644

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 109, 188, 199, 218, 329, 398, 436, 658, 763, 796, 1316, 1393, 1526, 2786, 3052, 5123, 5572, 9353, 10246, 18706, 20492, 21691, 35861, 37412, 43382, 65471, 71722, 86764, 130942, 143444, 151837, 261884, 303674, 607348, 1019477, 2038954, 4077908, 7136339, 14272678, 28545356]

約数ペア:

[(1, 28545356), (2, 14272678), (4, 7136339), (7, 4077908), (14, 2038954), (28, 1019477), (47, 607348), (94, 303674), (109, 261884), (188, 151837), (199, 143444), (218, 130942), (329, 86764), (398, 71722), (436, 65471), (658, 43382), (763, 37412), (796, 35861), (1316, 21691), (1393, 20492), (1526, 18706), (2786, 10246), (3052, 9353), (5123, 5572)]