2981792

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 6586272

約数和(自身を除く): 3604480

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 172, 176, 197, 344, 352, 394, 473, 688, 788, 946, 1376, 1576, 1892, 2167, 3152, 3784, 4334, 6304, 7568, 8471, 8668, 15136, 16942, 17336, 33884, 34672, 67768, 69344, 93181, 135536, 186362, 271072, 372724, 745448, 1490896, 2981792]

約数ペア:

[(1, 2981792), (2, 1490896), (4, 745448), (8, 372724), (11, 271072), (16, 186362), (22, 135536), (32, 93181), (43, 69344), (44, 67768), (86, 34672), (88, 33884), (172, 17336), (176, 16942), (197, 15136), (344, 8668), (352, 8471), (394, 7568), (473, 6304), (688, 4334), (788, 3784), (946, 3152), (1376, 2167), (1576, 1892)]