208945984

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:288

約数の個数: 112

約数和(自身を含む): 476219520

約数和(自身を除く): 267273536

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 61, 64, 92, 104, 122, 179, 184, 208, 244, 299, 358, 368, 416, 488, 598, 716, 736, 793, 832, 976, 1196, 1403, 1432, 1472, 1586, 1952, 2327, 2392, 2806, 2864, 3172, 3904, 4117, 4654, 4784, 5612, 5728, 6344, 8234, 9308, 9568, 10919, 11224, 11456, 12688, 16468, 18239, 18616, 19136, 21838, 22448, 25376, 32936, 36478, 37232, 43676, 44896, 50752, 53521, 65872, 72956, 74464, 87352, 89792, 107042, 131744, 141947, 145912, 148928, 174704, 214084, 251137, 263488, 283894, 291824, 349408, 428168, 502274, 567788, 583648, 698816, 856336, 1004548, 1135576, 1167296, 1712672, 2009096, 2271152, 3264781, 3425344, 4018192, 4542304, 6529562, 8036384, 9084608, 13059124, 16072768, 26118248, 52236496, 104472992, 208945984]

約数ペア:

[(1, 208945984), (2, 104472992), (4, 52236496), (8, 26118248), (13, 16072768), (16, 13059124), (23, 9084608), (26, 8036384), (32, 6529562), (46, 4542304), (52, 4018192), (61, 3425344), (64, 3264781), (92, 2271152), (104, 2009096), (122, 1712672), (179, 1167296), (184, 1135576), (208, 1004548), (244, 856336), (299, 698816), (358, 583648), (368, 567788), (416, 502274), (488, 428168), (598, 349408), (716, 291824), (736, 283894), (793, 263488), (832, 251137), (976, 214084), (1196, 174704), (1403, 148928), (1432, 145912), (1472, 141947), (1586, 131744), (1952, 107042), (2327, 89792), (2392, 87352), (2806, 74464), (2864, 72956), (3172, 65872), (3904, 53521), (4117, 50752), (4654, 44896), (4784, 43676), (5612, 37232), (5728, 36478), (6344, 32936), (8234, 25376), (9308, 22448), (9568, 21838), (10919, 19136), (11224, 18616), (11456, 18239), (12688, 16468)]