208847408

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:491

約数の個数: 120

約数和(自身を含む): 523229904

約数和(自身を除く): 314382496

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 61, 77, 88, 98, 112, 122, 154, 176, 196, 244, 308, 392, 397, 427, 488, 539, 616, 671, 784, 794, 854, 976, 1078, 1232, 1342, 1588, 1708, 2156, 2684, 2779, 2989, 3176, 3416, 4312, 4367, 4697, 5368, 5558, 5978, 6352, 6832, 8624, 8734, 9394, 10736, 11116, 11956, 17468, 18788, 19453, 22232, 23912, 24217, 30569, 32879, 34936, 37576, 38906, 44464, 47824, 48434, 61138, 65758, 69872, 75152, 77812, 96868, 122276, 131516, 155624, 169519, 193736, 213983, 244552, 263032, 266387, 311248, 339038, 387472, 427966, 489104, 526064, 532774, 678076, 855932, 1065548, 1186633, 1356152, 1711864, 1864709, 2131096, 2373266, 2712304, 3423728, 3729418, 4262192, 4746532, 7458836, 9493064, 13052963, 14917672, 18986128, 26105926, 29835344, 52211852, 104423704, 208847408]

約数ペア:

[(1, 208847408), (2, 104423704), (4, 52211852), (7, 29835344), (8, 26105926), (11, 18986128), (14, 14917672), (16, 13052963), (22, 9493064), (28, 7458836), (44, 4746532), (49, 4262192), (56, 3729418), (61, 3423728), (77, 2712304), (88, 2373266), (98, 2131096), (112, 1864709), (122, 1711864), (154, 1356152), (176, 1186633), (196, 1065548), (244, 855932), (308, 678076), (392, 532774), (397, 526064), (427, 489104), (488, 427966), (539, 387472), (616, 339038), (671, 311248), (784, 266387), (794, 263032), (854, 244552), (976, 213983), (1078, 193736), (1232, 169519), (1342, 155624), (1588, 131516), (1708, 122276), (2156, 96868), (2684, 77812), (2779, 75152), (2989, 69872), (3176, 65758), (3416, 61138), (4312, 48434), (4367, 47824), (4697, 44464), (5368, 38906), (5558, 37576), (5978, 34936), (6352, 32879), (6832, 30569), (8624, 24217), (8734, 23912), (9394, 22232), (10736, 19453), (11116, 18788), (11956, 17468)]