291861584

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137153}}^1$

素因数の和:137187

約数の個数: 40

約数和(自身を含む): 680283840

約数和(自身を除く): 388422256

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 137153, 274306, 548612, 960071, 1097224, 1920142, 2194448, 2605907, 3840284, 5211814, 7680568, 10423628, 15361136, 18241349, 20847256, 36482698, 41694512, 72965396, 145930792, 291861584]

約数ペア:

[(1, 291861584), (2, 145930792), (4, 72965396), (7, 41694512), (8, 36482698), (14, 20847256), (16, 18241349), (19, 15361136), (28, 10423628), (38, 7680568), (56, 5211814), (76, 3840284), (112, 2605907), (133, 2194448), (152, 1920142), (266, 1097224), (304, 960071), (532, 548612), (1064, 274306), (2128, 137153)]