81661999

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2333}}^1$

素因数の和:2450

約数の個数: 16

約数和(自身を含む): 90745920

約数和(自身を除く): 9083921

約数列:

[1, 17, 29, 71, 493, 1207, 2059, 2333, 35003, 39661, 67657, 165643, 1150169, 2815931, 4803647, 81661999]

約数ペア:

[(1, 81661999), (17, 4803647), (29, 2815931), (71, 1150169), (493, 165643), (1207, 67657), (2059, 39661), (2333, 35003)]