16639315

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3929}}^1$

素因数の和:3963

約数の個数: 24

約数和(自身を含む): 25089120

約数和(自身を除く): 8449805

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 3929, 4235, 19645, 27503, 43219, 137515, 216095, 302533, 475409, 1512665, 2377045, 3327863, 16639315]

約数ペア:

[(1, 16639315), (5, 3327863), (7, 2377045), (11, 1512665), (35, 475409), (55, 302533), (77, 216095), (121, 137515), (385, 43219), (605, 27503), (847, 19645), (3929, 4235)]