212190.0000000

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 12257280

約数和(自身を除く): 3199847

約数列:

[1, 7, 11, 19, 41, 77, 133, 151, 209, 287, 451, 779, 1057, 1463, 1661, 2869, 3157, 5453, 6191, 8569, 11627, 20083, 31559, 43337, 59983, 68101, 117629, 220913, 476707, 823403, 1293919, 9057433]

約数ペア:

[(1, 9057433), (7, 1293919), (11, 823403), (19, 476707), (41, 220913), (77, 117629), (133, 68101), (151, 59983), (209, 43337), (287, 31559), (451, 20083), (779, 11627), (1057, 8569), (1463, 6191), (1661, 5453), (2869, 3157)]