51591148

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 106444800

約数和(自身を除く): 54853652

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 197, 199, 329, 394, 398, 658, 788, 796, 1316, 1379, 1393, 2758, 2786, 5516, 5572, 9259, 9353, 18518, 18706, 37036, 37412, 39203, 64813, 65471, 78406, 129626, 130942, 156812, 259252, 261884, 274421, 548842, 1097684, 1842541, 3685082, 7370164, 12897787, 25795574, 51591148]

約数ペア:

[(1, 51591148), (2, 25795574), (4, 12897787), (7, 7370164), (14, 3685082), (28, 1842541), (47, 1097684), (94, 548842), (188, 274421), (197, 261884), (199, 259252), (329, 156812), (394, 130942), (398, 129626), (658, 78406), (788, 65471), (796, 64813), (1316, 39203), (1379, 37412), (1393, 37036), (2758, 18706), (2786, 18518), (5516, 9353), (5572, 9259)]