216515222

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:119

約数の個数: 108

約数和(自身を含む): 451675980

約数和(自身を除く): 235160758

約数列:

[1, 2, 7, 11, 14, 19, 22, 31, 38, 49, 62, 77, 98, 121, 133, 154, 209, 217, 242, 266, 341, 418, 434, 539, 589, 682, 847, 931, 961, 1078, 1178, 1463, 1519, 1694, 1862, 1922, 2299, 2387, 2926, 3038, 3751, 4123, 4598, 4774, 5929, 6479, 6727, 7502, 8246, 10241, 10571, 11858, 12958, 13454, 16093, 16709, 18259, 20482, 21142, 26257, 28861, 32186, 33418, 36518, 45353, 47089, 52514, 57722, 71269, 73997, 90706, 94178, 112651, 116281, 127813, 142538, 147994, 183799, 200849, 225302, 232562, 255626, 317471, 367598, 401698, 498883, 517979, 634942, 813967, 894691, 997766, 1035958, 1405943, 1627934, 1789382, 2209339, 2811886, 3492181, 4418678, 5697769, 6984362, 9841601, 11395538, 15465373, 19683202, 30930746, 108257611, 216515222]

約数ペア:

[(1, 216515222), (2, 108257611), (7, 30930746), (11, 19683202), (14, 15465373), (19, 11395538), (22, 9841601), (31, 6984362), (38, 5697769), (49, 4418678), (62, 3492181), (77, 2811886), (98, 2209339), (121, 1789382), (133, 1627934), (154, 1405943), (209, 1035958), (217, 997766), (242, 894691), (266, 813967), (341, 634942), (418, 517979), (434, 498883), (539, 401698), (589, 367598), (682, 317471), (847, 255626), (931, 232562), (961, 225302), (1078, 200849), (1178, 183799), (1463, 147994), (1519, 142538), (1694, 127813), (1862, 116281), (1922, 112651), (2299, 94178), (2387, 90706), (2926, 73997), (3038, 71269), (3751, 57722), (4123, 52514), (4598, 47089), (4774, 45353), (5929, 36518), (6479, 33418), (6727, 32186), (7502, 28861), (8246, 26257), (10241, 21142), (10571, 20482), (11858, 18259), (12958, 16709), (13454, 16093)]