71745989

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{659}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 83466240

約数和(自身を除く): 11720251

約数列:

[1, 7, 103, 151, 659, 721, 1057, 4613, 15553, 67877, 99509, 108871, 475139, 696563, 10249427, 71745989]

約数ペア:

[(1, 71745989), (7, 10249427), (103, 696563), (151, 475139), (659, 108871), (721, 99509), (1057, 67877), (4613, 15553)]