247364705

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21881}}^1$

素因数の和:21929

約数の個数: 32

約数和(自身を含む): 378120960

約数和(自身を除く): 130756255

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 595, 665, 1615, 2261, 11305, 21881, 109405, 153167, 371977, 415739, 765835, 1859885, 2078695, 2603839, 2910173, 7067563, 13019195, 14550865, 35337815, 49472941, 247364705]

約数ペア:

[(1, 247364705), (5, 49472941), (7, 35337815), (17, 14550865), (19, 13019195), (35, 7067563), (85, 2910173), (95, 2603839), (119, 2078695), (133, 1859885), (323, 765835), (595, 415739), (665, 371977), (1615, 153167), (2261, 109405), (11305, 21881)]