66690589

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{9461}}^1$

素因数の和:9540

約数の個数: 16

約数和(自身を含む): 81751680

約数和(自身を除く): 15061091

約数列:

[1, 7, 19, 53, 133, 371, 1007, 7049, 9461, 66227, 179759, 501433, 1258313, 3510031, 9527227, 66690589]

約数ペア:

[(1, 66690589), (7, 9527227), (19, 3510031), (53, 1258313), (133, 501433), (371, 179759), (1007, 66227), (7049, 9461)]