646251605

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{4789}}^1$

素因数の和:5128

約数の個数: 16

約数和(自身を含む): 785291760

約数和(自身を除く): 139040155

約数列:

[1, 5, 137, 197, 685, 985, 4789, 23945, 26989, 134945, 656093, 943433, 3280465, 4717165, 129250321, 646251605]

約数ペア:

[(1, 646251605), (5, 129250321), (137, 4717165), (197, 3280465), (685, 943433), (985, 656093), (4789, 134945), (23945, 26989)]