16851709

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 21897216

約数和(自身を除く): 5045507

約数列:

[1, 7, 17, 23, 47, 119, 131, 161, 329, 391, 799, 917, 1081, 2227, 2737, 3013, 5593, 6157, 7567, 15589, 18377, 21091, 43099, 51221, 104669, 128639, 141611, 358547, 732683, 991277, 2407387, 16851709]

約数ペア:

[(1, 16851709), (7, 2407387), (17, 991277), (23, 732683), (47, 358547), (119, 141611), (131, 128639), (161, 104669), (329, 51221), (391, 43099), (799, 21091), (917, 18377), (1081, 15589), (2227, 7567), (2737, 6157), (3013, 5593)]