2019665645

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 2502441216

約数和(自身を除く): 482775571

約数列:

[1, 5, 71, 131, 137, 317, 355, 655, 685, 1585, 9301, 9727, 17947, 22507, 41527, 43429, 46505, 48635, 89735, 112535, 207635, 217145, 1274237, 2948417, 3083459, 5689199, 6371185, 14742085, 15417295, 28445995, 403933129, 2019665645]

約数ペア:

[(1, 2019665645), (5, 403933129), (71, 28445995), (131, 15417295), (137, 14742085), (317, 6371185), (355, 5689199), (655, 3083459), (685, 2948417), (1585, 1274237), (9301, 217145), (9727, 207635), (17947, 112535), (22507, 89735), (41527, 48635), (43429, 46505)]