9980852

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 21383040

約数和(自身を除く): 11402188

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 73, 76, 133, 146, 257, 266, 292, 511, 514, 532, 1022, 1028, 1387, 1799, 2044, 2774, 3598, 4883, 5548, 7196, 9709, 9766, 18761, 19418, 19532, 34181, 37522, 38836, 68362, 75044, 131327, 136724, 262654, 356459, 525308, 712918, 1425836, 2495213, 4990426, 9980852]

約数ペア:

[(1, 9980852), (2, 4990426), (4, 2495213), (7, 1425836), (14, 712918), (19, 525308), (28, 356459), (38, 262654), (73, 136724), (76, 131327), (133, 75044), (146, 68362), (257, 38836), (266, 37522), (292, 34181), (511, 19532), (514, 19418), (532, 18761), (1022, 9766), (1028, 9709), (1387, 7196), (1799, 5548), (2044, 4883), (2774, 3598)]