381420865

素因数分解:

$5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{78401}}^1$

素因数の和:78552

約数の個数: 16

約数和(自身を含む): 526861440

約数和(自身を除く): 145440575

約数列:

[1, 5, 7, 35, 139, 695, 973, 4865, 78401, 392005, 548807, 2744035, 10897739, 54488695, 76284173, 381420865]

約数ペア:

[(1, 381420865), (5, 76284173), (7, 54488695), (35, 10897739), (139, 2744035), (695, 548807), (973, 392005), (4865, 78401)]