1200265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 1592640

約数和(自身を除く): 392375

約数列:

[1, 5, 11, 55, 139, 157, 695, 785, 1529, 1727, 7645, 8635, 21823, 109115, 240053, 1200265]

約数ペア:

[(1, 1200265), (5, 240053), (11, 109115), (55, 21823), (139, 8635), (157, 7645), (695, 1727), (785, 1529)]