28472773

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 37152000

約数和(自身を除く): 8679227

約数列:

[1, 7, 17, 19, 49, 119, 133, 257, 323, 343, 833, 931, 1799, 2261, 4369, 4883, 5831, 6517, 12593, 15827, 30583, 34181, 83011, 88151, 110789, 214081, 239267, 581077, 1498567, 1674869, 4067539, 28472773]

約数ペア:

[(1, 28472773), (7, 4067539), (17, 1674869), (19, 1498567), (49, 581077), (119, 239267), (133, 214081), (257, 110789), (323, 88151), (343, 83011), (833, 34181), (931, 30583), (1799, 15827), (2261, 12593), (4369, 6517), (4883, 5831)]