256688020992

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{12854969}}^1$

素因数の和:12855003

約数の個数: 80

約数和(自身を含む): 736435521360

約数和(自身を除く): 479747500368

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 512, 624, 768, 832, 1248, 1536, 1664, 2496, 3328, 4992, 6656, 9984, 19968, 12854969, 25709938, 38564907, 51419876, 77129814, 102839752, 154259628, 167114597, 205679504, 308519256, 334229194, 411359008, 501343791, 617038512, 668458388, 822718016, 1002687582, 1234077024, 1336916776, 1645436032, 2005375164, 2468154048, 2673833552, 3290872064, 4010750328, 4936308096, 5347667104, 6581744128, 8021500656, 9872616192, 10695334208, 16043001312, 19745232384, 21390668416, 32086002624, 42781336832, 64172005248, 85562673664, 128344010496, 256688020992]

約数ペア:

[(1, 256688020992), (2, 128344010496), (3, 85562673664), (4, 64172005248), (6, 42781336832), (8, 32086002624), (12, 21390668416), (13, 19745232384), (16, 16043001312), (24, 10695334208), (26, 9872616192), (32, 8021500656), (39, 6581744128), (48, 5347667104), (52, 4936308096), (64, 4010750328), (78, 3290872064), (96, 2673833552), (104, 2468154048), (128, 2005375164), (156, 1645436032), (192, 1336916776), (208, 1234077024), (256, 1002687582), (312, 822718016), (384, 668458388), (416, 617038512), (512, 501343791), (624, 411359008), (768, 334229194), (832, 308519256), (1248, 205679504), (1536, 167114597), (1664, 154259628), (2496, 102839752), (3328, 77129814), (4992, 51419876), (6656, 38564907), (9984, 25709938), (19968, 12854969)]