28021588

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 58060800

約数和(自身を除く): 30039212

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 107, 188, 199, 214, 329, 398, 428, 658, 749, 796, 1316, 1393, 1498, 2786, 2996, 5029, 5572, 9353, 10058, 18706, 20116, 21293, 35203, 37412, 42586, 65471, 70406, 85172, 130942, 140812, 149051, 261884, 298102, 596204, 1000771, 2001542, 4003084, 7005397, 14010794, 28021588]

約数ペア:

[(1, 28021588), (2, 14010794), (4, 7005397), (7, 4003084), (14, 2001542), (28, 1000771), (47, 596204), (94, 298102), (107, 261884), (188, 149051), (199, 140812), (214, 130942), (329, 85172), (398, 70406), (428, 65471), (658, 42586), (749, 37412), (796, 35203), (1316, 21293), (1393, 20116), (1498, 18706), (2786, 10058), (2996, 9353), (5029, 5572)]