12901479745

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 20076045696

約数和(自身を除く): 7174565951

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 83, 137, 245, 385, 415, 421, 539, 581, 685, 913, 959, 1507, 2105, 2695, 2905, 2947, 4067, 4565, 4631, 4795, 6391, 6713, 7535, 10549, 11371, 14735, 20335, 20629, 23155, 31955, 32417, 33565, 34943, 44737, 52745, 56855, 57677, 73843, 79597, 103145, 125081, 162085, 174715, 223685, 226919, 244601, 288385, 369215, 384373, 397985, 403739, 557179, 625405, 634447, 875567, 1134595, 1223005, 1712207, 1921865, 2018695, 2690611, 2785895, 2826173, 3172235, 4377835, 4441129, 4787191, 6128969, 8561035, 13453055, 14130865, 18834277, 22205645, 23935955, 30644845, 31087903, 33510337, 52659101, 94171385, 155439515, 167551685, 234572359, 263295505, 368613707, 1172861795, 1843068535, 2580295949, 12901479745]

約数ペア:

[(1, 12901479745), (5, 2580295949), (7, 1843068535), (11, 1172861795), (35, 368613707), (49, 263295505), (55, 234572359), (77, 167551685), (83, 155439515), (137, 94171385), (245, 52659101), (385, 33510337), (415, 31087903), (421, 30644845), (539, 23935955), (581, 22205645), (685, 18834277), (913, 14130865), (959, 13453055), (1507, 8561035), (2105, 6128969), (2695, 4787191), (2905, 4441129), (2947, 4377835), (4067, 3172235), (4565, 2826173), (4631, 2785895), (4795, 2690611), (6391, 2018695), (6713, 1921865), (7535, 1712207), (10549, 1223005), (11371, 1134595), (14735, 875567), (20335, 634447), (20629, 625405), (23155, 557179), (31955, 403739), (32417, 397985), (33565, 384373), (34943, 369215), (44737, 288385), (52745, 244601), (56855, 226919), (57677, 223685), (73843, 174715), (79597, 162085), (103145, 125081)]