221566315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{743}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 290695680

約数和(自身を除く): 69129365

約数列:

[1, 5, 19, 43, 73, 95, 215, 365, 743, 817, 1387, 3139, 3715, 4085, 6935, 14117, 15695, 31949, 54239, 59641, 70585, 159745, 271195, 298205, 607031, 1030541, 2332277, 3035155, 5152705, 11661385, 44313263, 221566315]

約数ペア:

[(1, 221566315), (5, 44313263), (19, 11661385), (43, 5152705), (73, 3035155), (95, 2332277), (215, 1030541), (365, 607031), (743, 298205), (817, 271195), (1387, 159745), (3139, 70585), (3715, 59641), (4085, 54239), (6935, 31949), (14117, 15695)]