1490896

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 40

約数和(自身を含む): 3240864

約数和(自身を除く): 1749968

約数列:

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

約数ペア:

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