1228768

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 48

約数和(自身を含む): 2661120

約数和(自身を除く): 1432352

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 47, 76, 86, 94, 152, 172, 188, 304, 344, 376, 608, 688, 752, 817, 893, 1376, 1504, 1634, 1786, 2021, 3268, 3572, 4042, 6536, 7144, 8084, 13072, 14288, 16168, 26144, 28576, 32336, 38399, 64672, 76798, 153596, 307192, 614384, 1228768]

約数ペア:

[(1, 1228768), (2, 614384), (4, 307192), (8, 153596), (16, 76798), (19, 64672), (32, 38399), (38, 32336), (43, 28576), (47, 26144), (76, 16168), (86, 14288), (94, 13072), (152, 8084), (172, 7144), (188, 6536), (304, 4042), (344, 3572), (376, 3268), (608, 2021), (688, 1786), (752, 1634), (817, 1504), (893, 1376)]