168000656

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7877}}^1$

素因数の和:7959

約数の個数: 40

約数和(自身を含む): 343858944

約数和(自身を除く): 175858288

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 5332, 7877, 10664, 15754, 21328, 31508, 63016, 126032, 244187, 338711, 488374, 677422, 976748, 1354844, 1953496, 2709688, 3906992, 5419376, 10500041, 21000082, 42000164, 84000328, 168000656]

約数ペア:

[(1, 168000656), (2, 84000328), (4, 42000164), (8, 21000082), (16, 10500041), (31, 5419376), (43, 3906992), (62, 2709688), (86, 1953496), (124, 1354844), (172, 976748), (248, 677422), (344, 488374), (496, 338711), (688, 244187), (1333, 126032), (2666, 63016), (5332, 31508), (7877, 21328), (10664, 15754)]