211479290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{9661}}^1$

素因数の和:9878

約数の個数: 32

約数和(自身を含む): 417398400

約数和(自身を除く): 205919110

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 4378, 9661, 10945, 19322, 21890, 48305, 96610, 106271, 212542, 531355, 1062710, 1922539, 3845078, 9612695, 19225390, 21147929, 42295858, 105739645, 211479290]

約数ペア:

[(1, 211479290), (2, 105739645), (5, 42295858), (10, 21147929), (11, 19225390), (22, 9612695), (55, 3845078), (110, 1922539), (199, 1062710), (398, 531355), (995, 212542), (1990, 106271), (2189, 96610), (4378, 48305), (9661, 21890), (10945, 19322)]