199853885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1151}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 308883456

約数和(自身を除く): 109029571

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 121, 205, 287, 385, 451, 605, 847, 1151, 1435, 2255, 3157, 4235, 4961, 5755, 8057, 12661, 15785, 24805, 34727, 40285, 47191, 63305, 88627, 139271, 173635, 235955, 330337, 443135, 519101, 696355, 974897, 1651685, 2595505, 3633707, 4874485, 5710111, 18168535, 28550555, 39970777, 199853885]

約数ペア:

[(1, 199853885), (5, 39970777), (7, 28550555), (11, 18168535), (35, 5710111), (41, 4874485), (55, 3633707), (77, 2595505), (121, 1651685), (205, 974897), (287, 696355), (385, 519101), (451, 443135), (605, 330337), (847, 235955), (1151, 173635), (1435, 139271), (2255, 88627), (3157, 63305), (4235, 47191), (4961, 40285), (5755, 34727), (8057, 24805), (12661, 15785)]