256514706

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{15307}}^1$

素因数の和:15348

約数の個数: 72

約数和(自身を含む): 680593680

約数和(自身を除く): 424078974

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 63, 98, 114, 126, 133, 147, 171, 266, 294, 342, 399, 441, 798, 882, 931, 1197, 1862, 2394, 2793, 5586, 8379, 15307, 16758, 30614, 45921, 91842, 107149, 137763, 214298, 275526, 290833, 321447, 581666, 642894, 750043, 872499, 964341, 1500086, 1744998, 1928682, 2035831, 2250129, 2617497, 4071662, 4500258, 5234994, 6107493, 6750387, 12214986, 13500774, 14250817, 18322479, 28501634, 36644958, 42752451, 85504902, 128257353, 256514706]

約数ペア:

[(1, 256514706), (2, 128257353), (3, 85504902), (6, 42752451), (7, 36644958), (9, 28501634), (14, 18322479), (18, 14250817), (19, 13500774), (21, 12214986), (38, 6750387), (42, 6107493), (49, 5234994), (57, 4500258), (63, 4071662), (98, 2617497), (114, 2250129), (126, 2035831), (133, 1928682), (147, 1744998), (171, 1500086), (266, 964341), (294, 872499), (342, 750043), (399, 642894), (441, 581666), (798, 321447), (882, 290833), (931, 275526), (1197, 214298), (1862, 137763), (2394, 107149), (2793, 91842), (5586, 45921), (8379, 30614), (15307, 16758)]