57407189

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{661}}^1$

素因数の和:1340

約数の個数: 16

約数和(自身を含む): 69271680

約数和(自身を除く): 11864491

約数列:

[1, 7, 19, 133, 653, 661, 4571, 4627, 12407, 12559, 86849, 87913, 431633, 3021431, 8201027, 57407189]

約数ペア:

[(1, 57407189), (7, 8201027), (19, 3021431), (133, 431633), (653, 87913), (661, 86849), (4571, 12559), (4627, 12407)]