643065306

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{23623}}^1$

素因数の和:23990

約数の個数: 32

約数和(自身を含む): 1389091200

約数和(自身を除く): 746025894

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 349, 698, 1047, 2094, 4537, 9074, 13611, 23623, 27222, 47246, 70869, 141738, 307099, 614198, 921297, 1842594, 8244427, 16488854, 24733281, 49466562, 107177551, 214355102, 321532653, 643065306]

約数ペア:

[(1, 643065306), (2, 321532653), (3, 214355102), (6, 107177551), (13, 49466562), (26, 24733281), (39, 16488854), (78, 8244427), (349, 1842594), (698, 921297), (1047, 614198), (2094, 307099), (4537, 141738), (9074, 70869), (13611, 47246), (23623, 27222)]