25402748

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 52684800

約数和(自身を除く): 27282052

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 97, 188, 194, 199, 329, 388, 398, 658, 679, 796, 1316, 1358, 1393, 2716, 2786, 4559, 5572, 9118, 9353, 18236, 18706, 19303, 31913, 37412, 38606, 63826, 65471, 77212, 127652, 130942, 135121, 261884, 270242, 540484, 907241, 1814482, 3628964, 6350687, 12701374, 25402748]

約数ペア:

[(1, 25402748), (2, 12701374), (4, 6350687), (7, 3628964), (14, 1814482), (28, 907241), (47, 540484), (94, 270242), (97, 261884), (188, 135121), (194, 130942), (199, 127652), (329, 77212), (388, 65471), (398, 63826), (658, 38606), (679, 37412), (796, 31913), (1316, 19303), (1358, 18706), (1393, 18236), (2716, 9353), (2786, 9118), (4559, 5572)]