81640584

素因数分解:

$2^3\times 3^2\times {\mathrm{1133897}}^1$

素因数の和:1133909

約数の個数: 24

約数和(自身を含む): 221110110

約数和(自身を除く): 139469526

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1133897, 2267794, 3401691, 4535588, 6803382, 9071176, 10205073, 13606764, 20410146, 27213528, 40820292, 81640584]

約数ペア:

[(1, 81640584), (2, 40820292), (3, 27213528), (4, 20410146), (6, 13606764), (8, 10205073), (9, 9071176), (12, 6803382), (18, 4535588), (24, 3401691), (36, 2267794), (72, 1133897)]