64720004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{1693}}^1$

素因数の和:2219

約数の個数: 24

約数和(自身を含む): 119528640

約数和(自身を除く): 54808636

約数列:

[1, 2, 4, 19, 38, 76, 503, 1006, 1693, 2012, 3386, 6772, 9557, 19114, 32167, 38228, 64334, 128668, 851579, 1703158, 3406316, 16180001, 32360002, 64720004]

約数ペア:

[(1, 64720004), (2, 32360002), (4, 16180001), (19, 3406316), (38, 1703158), (76, 851579), (503, 128668), (1006, 64334), (1693, 38228), (2012, 32167), (3386, 19114), (6772, 9557)]