71584678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 119750400

約数和(自身を除く): 48165722

約数列:

[1, 2, 11, 22, 83, 166, 197, 199, 394, 398, 913, 1826, 2167, 2189, 4334, 4378, 16351, 16517, 32702, 33034, 39203, 78406, 179861, 181687, 359722, 363374, 431233, 862466, 3253849, 6507698, 35792339, 71584678]

約数ペア:

[(1, 71584678), (2, 35792339), (11, 6507698), (22, 3253849), (83, 862466), (166, 431233), (197, 363374), (199, 359722), (394, 181687), (398, 179861), (913, 78406), (1826, 39203), (2167, 33034), (2189, 32702), (4334, 16517), (4378, 16351)]