4990426

素因数分解:

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

素因数の和:358

約数の個数: 32

約数和(自身を含む): 9164160

約数和(自身を除く): 4173734

約数列:

[1, 2, 7, 14, 19, 38, 73, 133, 146, 257, 266, 511, 514, 1022, 1387, 1799, 2774, 3598, 4883, 9709, 9766, 18761, 19418, 34181, 37522, 68362, 131327, 262654, 356459, 712918, 2495213, 4990426]

約数ペア:

[(1, 4990426), (2, 2495213), (7, 712918), (14, 356459), (19, 262654), (38, 131327), (73, 68362), (133, 37522), (146, 34181), (257, 19418), (266, 18761), (511, 9766), (514, 9709), (1022, 4883), (1387, 3598), (1799, 2774)]