11988655

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20149}}^1$

素因数の和:20178

約数の個数: 16

約数和(自身を含む): 17409600

約数和(自身を除く): 5420945

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 20149, 100745, 141043, 342533, 705215, 1712665, 2397731, 11988655]

約数ペア:

[(1, 11988655), (5, 2397731), (7, 1712665), (17, 705215), (35, 342533), (85, 141043), (119, 100745), (595, 20149)]