199697785

素因数分解:

$5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{3863}}^1$

素因数の和:4093

約数の個数: 24

約数和(自身を含む): 280155456

約数和(自身を除く): 80457671

約数列:

[1, 5, 7, 35, 49, 211, 245, 1055, 1477, 3863, 7385, 10339, 19315, 27041, 51695, 135205, 189287, 815093, 946435, 4075465, 5705651, 28528255, 39939557, 199697785]

約数ペア:

[(1, 199697785), (5, 39939557), (7, 28528255), (35, 5705651), (49, 4075465), (211, 946435), (245, 815093), (1055, 189287), (1477, 135205), (3863, 51695), (7385, 27041), (10339, 19315)]