208765616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{686729}}^1$

素因数の和:686756

約数の個数: 20

約数和(自身を含む): 425772600

約数和(自身を除く): 217006984

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 686729, 1373458, 2746916, 5493832, 10987664, 13047851, 26095702, 52191404, 104382808, 208765616]

約数ペア:

[(1, 208765616), (2, 104382808), (4, 52191404), (8, 26095702), (16, 13047851), (19, 10987664), (38, 5493832), (76, 2746916), (152, 1373458), (304, 686729)]