290692766

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{769}}^1$

素因数の和:889

約数の個数: 64

約数和(自身を含む): 562974720

約数和(自身を除く): 272281954

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 67, 91, 134, 182, 217, 403, 434, 469, 769, 806, 871, 938, 1538, 1742, 2077, 2821, 4154, 5383, 5642, 6097, 9997, 10766, 12194, 14539, 19994, 23839, 27001, 29078, 47678, 51523, 54002, 69979, 103046, 139958, 166873, 189007, 309907, 333746, 360661, 378014, 619814, 669799, 721322, 1339598, 1597213, 2169349, 3194426, 4338698, 4688593, 9377186, 11180491, 20763769, 22360982, 41527538, 145346383, 290692766]

約数ペア:

[(1, 290692766), (2, 145346383), (7, 41527538), (13, 22360982), (14, 20763769), (26, 11180491), (31, 9377186), (62, 4688593), (67, 4338698), (91, 3194426), (134, 2169349), (182, 1597213), (217, 1339598), (403, 721322), (434, 669799), (469, 619814), (769, 378014), (806, 360661), (871, 333746), (938, 309907), (1538, 189007), (1742, 166873), (2077, 139958), (2821, 103046), (4154, 69979), (5383, 54002), (5642, 51523), (6097, 47678), (9997, 29078), (10766, 27001), (12194, 23839), (14539, 19994)]