11957785

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 17252352

約数和(自身を除く): 5294567

約数列:

[1, 5, 7, 31, 35, 103, 107, 155, 217, 515, 535, 721, 749, 1085, 3193, 3317, 3605, 3745, 11021, 15965, 16585, 22351, 23219, 55105, 77147, 111755, 116095, 341651, 385735, 1708255, 2391557, 11957785]

約数ペア:

[(1, 11957785), (5, 2391557), (7, 1708255), (31, 385735), (35, 341651), (103, 116095), (107, 111755), (155, 77147), (217, 55105), (515, 23219), (535, 22351), (721, 16585), (749, 15965), (1085, 11021), (3193, 3745), (3317, 3605)]