1291206208

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{557}}^1\times {\mathrm{1249}}^1$

素因数の和:1847

約数の個数: 56

約数和(自身を含む): 2657475000

約数和(自身を除く): 1366268792

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 464, 557, 928, 1114, 1249, 1856, 2228, 2498, 4456, 4996, 8912, 9992, 16153, 17824, 19984, 32306, 35648, 36221, 39968, 64612, 72442, 79936, 129224, 144884, 258448, 289768, 516896, 579536, 695693, 1033792, 1159072, 1391386, 2318144, 2782772, 5565544, 11131088, 20175097, 22262176, 40350194, 44524352, 80700388, 161400776, 322801552, 645603104, 1291206208]

約数ペア:

[(1, 1291206208), (2, 645603104), (4, 322801552), (8, 161400776), (16, 80700388), (29, 44524352), (32, 40350194), (58, 22262176), (64, 20175097), (116, 11131088), (232, 5565544), (464, 2782772), (557, 2318144), (928, 1391386), (1114, 1159072), (1249, 1033792), (1856, 695693), (2228, 579536), (2498, 516896), (4456, 289768), (4996, 258448), (8912, 144884), (9992, 129224), (16153, 79936), (17824, 72442), (19984, 64612), (32306, 39968), (35648, 36221)]