905668316

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{206021}}^1$

素因数の和:206189

約数の個数: 24

約数和(自身を含む): 1822882656

約数和(自身を除く): 917214340

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 206021, 412042, 824084, 1442147, 2884294, 5768588, 32345297, 64690594, 129381188, 226417079, 452834158, 905668316]

約数ペア:

[(1, 905668316), (2, 452834158), (4, 226417079), (7, 129381188), (14, 64690594), (28, 32345297), (157, 5768588), (314, 2884294), (628, 1442147), (1099, 824084), (2198, 412042), (4396, 206021)]