1256156215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{84221}}^1$

素因数の和:84402

約数の個数: 16

約数和(自身を含む): 1596849120

約数和(自身を除く): 340692905

約数列:

[1, 5, 19, 95, 157, 785, 2983, 14915, 84221, 421105, 1600199, 8000995, 13222697, 66113485, 251231243, 1256156215]

約数ペア:

[(1, 1256156215), (5, 251231243), (19, 66113485), (95, 13222697), (157, 8000995), (785, 1600199), (2983, 421105), (14915, 84221)]