667341484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1997}}^1\times {\mathrm{4397}}^1$

素因数の和:6417

約数の個数: 24

約数和(自身を含む): 1230208560

約数和(自身を除く): 562867076

約数列:

[1, 2, 4, 19, 38, 76, 1997, 3994, 4397, 7988, 8794, 17588, 37943, 75886, 83543, 151772, 167086, 334172, 8780809, 17561618, 35123236, 166835371, 333670742, 667341484]

約数ペア:

[(1, 667341484), (2, 333670742), (4, 166835371), (19, 35123236), (38, 17561618), (76, 8780809), (1997, 334172), (3994, 167086), (4397, 151772), (7988, 83543), (8794, 75886), (17588, 37943)]