66721039

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{50971}}^1$

素因数の和:51006

約数の個数: 16

約数和(自身を含む): 88079616

約数和(自身を除く): 21358577

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 50971, 356797, 560681, 866507, 3924767, 6065549, 9531577, 66721039]

約数ペア:

[(1, 66721039), (7, 9531577), (11, 6065549), (17, 3924767), (77, 866507), (119, 560681), (187, 356797), (1309, 50971)]