28205842

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{991}}^1$

素因数の和:1126

約数の個数: 32

約数和(自身を含む): 51425280

約数和(自身を除く): 23219438

約数列:

[1, 2, 7, 14, 19, 38, 107, 133, 214, 266, 749, 991, 1498, 1982, 2033, 4066, 6937, 13874, 14231, 18829, 28462, 37658, 106037, 131803, 212074, 263606, 742259, 1484518, 2014703, 4029406, 14102921, 28205842]

約数ペア:

[(1, 28205842), (2, 14102921), (7, 4029406), (14, 2014703), (19, 1484518), (38, 742259), (107, 263606), (133, 212074), (214, 131803), (266, 106037), (749, 37658), (991, 28462), (1498, 18829), (1982, 14231), (2033, 13874), (4066, 6937)]