16870885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 22643712

約数和(自身を除く): 5772827

約数列:

[1, 5, 17, 41, 47, 85, 103, 205, 235, 515, 697, 799, 1751, 1927, 3485, 3995, 4223, 4841, 8755, 9635, 21115, 24205, 32759, 71791, 82297, 163795, 198481, 358955, 411485, 992405, 3374177, 16870885]

約数ペア:

[(1, 16870885), (5, 3374177), (17, 992405), (41, 411485), (47, 358955), (85, 198481), (103, 163795), (205, 82297), (235, 71791), (515, 32759), (697, 24205), (799, 21115), (1751, 9635), (1927, 8755), (3485, 4841), (3995, 4223)]