1311988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 2465120

約数和(自身を除く): 1153132

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 283, 566, 1132, 1159, 2318, 4636, 5377, 10754, 17263, 21508, 34526, 69052, 327997, 655994, 1311988]

約数ペア:

[(1, 1311988), (2, 655994), (4, 327997), (19, 69052), (38, 34526), (61, 21508), (76, 17263), (122, 10754), (244, 5377), (283, 4636), (566, 2318), (1132, 1159)]