81362708

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67577}}^1$

素因数の和:67631

約数の個数: 24

約数和(自身を含む): 166512192

約数和(自身を除く): 85149484

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 67577, 135154, 270308, 473039, 946078, 1892156, 2905811, 5811622, 11623244, 20340677, 40681354, 81362708]

約数ペア:

[(1, 81362708), (2, 40681354), (4, 20340677), (7, 11623244), (14, 5811622), (28, 2905811), (43, 1892156), (86, 946078), (172, 473039), (301, 270308), (602, 135154), (1204, 67577)]