81328248

素因数分解:

$2^3\times 3^2\times {\mathrm{1129559}}^1$

素因数の和:1129571

約数の個数: 24

約数和(自身を含む): 220264200

約数和(自身を除く): 138935952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1129559, 2259118, 3388677, 4518236, 6777354, 9036472, 10166031, 13554708, 20332062, 27109416, 40664124, 81328248]

約数ペア:

[(1, 81328248), (2, 40664124), (3, 27109416), (4, 20332062), (6, 13554708), (8, 10166031), (9, 9036472), (12, 6777354), (18, 4518236), (24, 3388677), (36, 2259118), (72, 1129559)]