81076328

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{1117}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 156430560

約数和(自身を除く): 75354232

約数列:

[1, 2, 4, 8, 43, 86, 172, 211, 344, 422, 844, 1117, 1688, 2234, 4468, 8936, 9073, 18146, 36292, 48031, 72584, 96062, 192124, 235687, 384248, 471374, 942748, 1885496, 10134541, 20269082, 40538164, 81076328]

約数ペア:

[(1, 81076328), (2, 40538164), (4, 20269082), (8, 10134541), (43, 1885496), (86, 942748), (172, 471374), (211, 384248), (344, 235687), (422, 192124), (844, 96062), (1117, 72584), (1688, 48031), (2234, 36292), (4468, 18146), (8936, 9073)]