264308639

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 351187200

約数和(自身を除く): 86878561

約数列:

[1, 7, 17, 19, 29, 119, 133, 139, 203, 323, 493, 551, 841, 973, 2261, 2363, 2641, 3451, 3857, 4031, 5887, 9367, 14297, 15979, 16541, 18487, 28217, 44897, 65569, 68527, 76589, 100079, 111853, 116899, 271643, 314279, 479689, 536123, 818293, 1302013, 1901501, 1987283, 2221081, 9114091, 13910981, 15547567, 37758377, 264308639]

約数ペア:

[(1, 264308639), (7, 37758377), (17, 15547567), (19, 13910981), (29, 9114091), (119, 2221081), (133, 1987283), (139, 1901501), (203, 1302013), (323, 818293), (493, 536123), (551, 479689), (841, 314279), (973, 271643), (2261, 116899), (2363, 111853), (2641, 100079), (3451, 76589), (3857, 68527), (4031, 65569), (5887, 44897), (9367, 28217), (14297, 18487), (15979, 16541)]