221514244

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{81559}}^1$

素因数の和:81667

約数の個数: 24

約数和(自身を含む): 447601280

約数和(自身を除く): 226087036

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 81559, 163118, 326236, 570913, 1141826, 2283652, 7911223, 15822446, 31644892, 55378561, 110757122, 221514244]

約数ペア:

[(1, 221514244), (2, 110757122), (4, 55378561), (7, 31644892), (14, 15822446), (28, 7911223), (97, 2283652), (194, 1141826), (388, 570913), (679, 326236), (1358, 163118), (2716, 81559)]