6640456

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{3307}}^1$

素因数の和:3564

約数の個数: 16

約数和(自身を含む): 12504240

約数和(自身を除く): 5863784

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 3307, 6614, 13228, 26456, 830057, 1660114, 3320228, 6640456]

約数ペア:

[(1, 6640456), (2, 3320228), (4, 1660114), (8, 830057), (251, 26456), (502, 13228), (1004, 6614), (2008, 3307)]