81549258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 193767168

約数和(自身を除く): 112217910

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 97, 111, 194, 222, 259, 291, 518, 541, 582, 679, 777, 1082, 1358, 1554, 1623, 2037, 3246, 3589, 3787, 4074, 7178, 7574, 10767, 11361, 20017, 21534, 22722, 25123, 40034, 50246, 52477, 60051, 75369, 104954, 120102, 140119, 150738, 157431, 280238, 314862, 367339, 420357, 734678, 840714, 1102017, 1941649, 2204034, 3883298, 5824947, 11649894, 13591543, 27183086, 40774629, 81549258]

約数ペア:

[(1, 81549258), (2, 40774629), (3, 27183086), (6, 13591543), (7, 11649894), (14, 5824947), (21, 3883298), (37, 2204034), (42, 1941649), (74, 1102017), (97, 840714), (111, 734678), (194, 420357), (222, 367339), (259, 314862), (291, 280238), (518, 157431), (541, 150738), (582, 140119), (679, 120102), (777, 104954), (1082, 75369), (1358, 60051), (1554, 52477), (1623, 50246), (2037, 40034), (3246, 25123), (3589, 22722), (3787, 21534), (4074, 20017), (7178, 11361), (7574, 10767)]