247202465

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1\times {\mathrm{887}}^1$

素因数の和:1432

約数の個数: 16

約数和(自身を含む): 299859840

約数和(自身を除く): 52657375

約数列:

[1, 5, 139, 401, 695, 887, 2005, 4435, 55739, 123293, 278695, 355687, 616465, 1778435, 49440493, 247202465]

約数ペア:

[(1, 247202465), (5, 49440493), (139, 1778435), (401, 616465), (695, 355687), (887, 278695), (2005, 123293), (4435, 55739)]