821489728

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{499}}^1\times {\mathrm{887}}^1$

素因数の和:1427

約数の個数: 56

約数和(自身を含む): 1691640000

約数和(自身を除く): 870150272

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 464, 499, 887, 928, 998, 1774, 1856, 1996, 3548, 3992, 7096, 7984, 14192, 14471, 15968, 25723, 28384, 28942, 31936, 51446, 56768, 57884, 102892, 115768, 205784, 231536, 411568, 442613, 463072, 823136, 885226, 926144, 1646272, 1770452, 3540904, 7081808, 12835777, 14163616, 25671554, 28327232, 51343108, 102686216, 205372432, 410744864, 821489728]

約数ペア:

[(1, 821489728), (2, 410744864), (4, 205372432), (8, 102686216), (16, 51343108), (29, 28327232), (32, 25671554), (58, 14163616), (64, 12835777), (116, 7081808), (232, 3540904), (464, 1770452), (499, 1646272), (887, 926144), (928, 885226), (998, 823136), (1774, 463072), (1856, 442613), (1996, 411568), (3548, 231536), (3992, 205784), (7096, 115768), (7984, 102892), (14192, 57884), (14471, 56768), (15968, 51446), (25723, 31936), (28384, 28942)]