28420238

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{883}}^1$

素因数の和:933

約数の個数: 48

約数和(自身を含む): 56434560

約数和(自身を除く): 28014322

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 121, 133, 154, 209, 242, 266, 418, 847, 883, 1463, 1694, 1766, 2299, 2926, 4598, 6181, 9713, 12362, 16093, 16777, 19426, 32186, 33554, 67991, 106843, 117439, 135982, 184547, 213686, 234878, 369094, 747901, 1291829, 1495802, 2030017, 2583658, 4060034, 14210119, 28420238]

約数ペア:

[(1, 28420238), (2, 14210119), (7, 4060034), (11, 2583658), (14, 2030017), (19, 1495802), (22, 1291829), (38, 747901), (77, 369094), (121, 234878), (133, 213686), (154, 184547), (209, 135982), (242, 117439), (266, 106843), (418, 67991), (847, 33554), (883, 32186), (1463, 19426), (1694, 16777), (1766, 16093), (2299, 12362), (2926, 9713), (4598, 6181)]