254219784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2707}}^1$

素因数の和:2779

約数の個数: 128

約数和(自身を含む): 800701440

約数和(自身を除く): 546481656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 43, 52, 56, 78, 84, 86, 91, 104, 129, 156, 168, 172, 182, 258, 273, 301, 312, 344, 364, 516, 546, 559, 602, 728, 903, 1032, 1092, 1118, 1204, 1677, 1806, 2184, 2236, 2408, 2707, 3354, 3612, 3913, 4472, 5414, 6708, 7224, 7826, 8121, 10828, 11739, 13416, 15652, 16242, 18949, 21656, 23478, 31304, 32484, 35191, 37898, 46956, 56847, 64968, 70382, 75796, 93912, 105573, 113694, 116401, 140764, 151592, 211146, 227388, 232802, 246337, 281528, 349203, 422292, 454776, 465604, 492674, 698406, 739011, 814807, 844584, 931208, 985348, 1396812, 1478022, 1513213, 1629614, 1970696, 2444421, 2793624, 2956044, 3026426, 3259228, 4539639, 4888842, 5912088, 6052852, 6518456, 9079278, 9777684, 10592491, 12105704, 18158556, 19555368, 21184982, 31777473, 36317112, 42369964, 63554946, 84739928, 127109892, 254219784]

約数ペア:

[(1, 254219784), (2, 127109892), (3, 84739928), (4, 63554946), (6, 42369964), (7, 36317112), (8, 31777473), (12, 21184982), (13, 19555368), (14, 18158556), (21, 12105704), (24, 10592491), (26, 9777684), (28, 9079278), (39, 6518456), (42, 6052852), (43, 5912088), (52, 4888842), (56, 4539639), (78, 3259228), (84, 3026426), (86, 2956044), (91, 2793624), (104, 2444421), (129, 1970696), (156, 1629614), (168, 1513213), (172, 1478022), (182, 1396812), (258, 985348), (273, 931208), (301, 844584), (312, 814807), (344, 739011), (364, 698406), (516, 492674), (546, 465604), (559, 454776), (602, 422292), (728, 349203), (903, 281528), (1032, 246337), (1092, 232802), (1118, 227388), (1204, 211146), (1677, 151592), (1806, 140764), (2184, 116401), (2236, 113694), (2408, 105573), (2707, 93912), (3354, 75796), (3612, 70382), (3913, 64968), (4472, 56847), (5414, 46956), (6708, 37898), (7224, 35191), (7826, 32484), (8121, 31304), (10828, 23478), (11739, 21656), (13416, 18949), (15652, 16242)]