256646015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{6737}}^1$

素因数の和:7162

約数の個数: 16

約数和(自身を含む): 325041120

約数和(自身を除く): 68395105

約数列:

[1, 5, 19, 95, 401, 2005, 6737, 7619, 33685, 38095, 128003, 640015, 2701537, 13507685, 51329203, 256646015]

約数ペア:

[(1, 256646015), (5, 51329203), (19, 13507685), (95, 2701537), (401, 640015), (2005, 128003), (6737, 38095), (7619, 33685)]