28795998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 72442368

約数和(自身を除く): 43646370

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 157, 231, 314, 397, 462, 471, 794, 942, 1099, 1191, 1727, 2198, 2382, 2779, 3297, 3454, 4367, 5181, 5558, 6594, 8337, 8734, 10362, 12089, 13101, 16674, 24178, 26202, 30569, 36267, 61138, 62329, 72534, 91707, 124658, 183414, 186987, 373974, 436303, 685619, 872606, 1308909, 1371238, 2056857, 2617818, 4113714, 4799333, 9598666, 14397999, 28795998]

約数ペア:

[(1, 28795998), (2, 14397999), (3, 9598666), (6, 4799333), (7, 4113714), (11, 2617818), (14, 2056857), (21, 1371238), (22, 1308909), (33, 872606), (42, 685619), (66, 436303), (77, 373974), (154, 186987), (157, 183414), (231, 124658), (314, 91707), (397, 72534), (462, 62329), (471, 61138), (794, 36267), (942, 30569), (1099, 26202), (1191, 24178), (1727, 16674), (2198, 13101), (2382, 12089), (2779, 10362), (3297, 8734), (3454, 8337), (4367, 6594), (5181, 5558)]