981567412

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{217739}}^1$

素因数の和:217780

約数の個数: 36

約数和(自身を含む): 2085078240

約数和(自身を除く): 1103510828

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 217739, 435478, 870956, 1524173, 3048346, 5007997, 6096692, 10015994, 10669211, 20031988, 21338422, 35055979, 42676844, 70111958, 140223916, 245391853, 490783706, 981567412]

約数ペア:

[(1, 981567412), (2, 490783706), (4, 245391853), (7, 140223916), (14, 70111958), (23, 42676844), (28, 35055979), (46, 21338422), (49, 20031988), (92, 10669211), (98, 10015994), (161, 6096692), (196, 5007997), (322, 3048346), (644, 1524173), (1127, 870956), (2254, 435478), (4508, 217739)]