256966192

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:259

約数の個数: 120

約数和(自身を含む): 609544320

約数和(自身を除く): 352578128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 97, 98, 109, 112, 124, 194, 196, 217, 218, 248, 388, 392, 434, 436, 496, 679, 763, 776, 784, 868, 872, 1358, 1519, 1526, 1552, 1736, 1744, 2716, 3007, 3038, 3052, 3379, 3472, 4753, 5341, 5432, 6014, 6076, 6104, 6758, 9506, 10573, 10682, 10864, 12028, 12152, 12208, 13516, 19012, 21049, 21146, 21364, 23653, 24056, 24304, 27032, 38024, 42098, 42292, 42728, 47306, 48112, 54064, 74011, 76048, 84196, 84584, 85456, 94612, 147343, 148022, 165571, 168392, 169168, 189224, 294686, 296044, 327763, 331142, 336784, 378448, 518077, 589372, 592088, 655526, 662284, 1036154, 1178744, 1184176, 1311052, 1324568, 2072308, 2294341, 2357488, 2622104, 2649136, 4144616, 4588682, 5244208, 8289232, 9177364, 16060387, 18354728, 32120774, 36709456, 64241548, 128483096, 256966192]

約数ペア:

[(1, 256966192), (2, 128483096), (4, 64241548), (7, 36709456), (8, 32120774), (14, 18354728), (16, 16060387), (28, 9177364), (31, 8289232), (49, 5244208), (56, 4588682), (62, 4144616), (97, 2649136), (98, 2622104), (109, 2357488), (112, 2294341), (124, 2072308), (194, 1324568), (196, 1311052), (217, 1184176), (218, 1178744), (248, 1036154), (388, 662284), (392, 655526), (434, 592088), (436, 589372), (496, 518077), (679, 378448), (763, 336784), (776, 331142), (784, 327763), (868, 296044), (872, 294686), (1358, 189224), (1519, 169168), (1526, 168392), (1552, 165571), (1736, 148022), (1744, 147343), (2716, 94612), (3007, 85456), (3038, 84584), (3052, 84196), (3379, 76048), (3472, 74011), (4753, 54064), (5341, 48112), (5432, 47306), (6014, 42728), (6076, 42292), (6104, 42098), (6758, 38024), (9506, 27032), (10573, 24304), (10682, 24056), (10864, 23653), (12028, 21364), (12152, 21146), (12208, 21049), (13516, 19012)]