12808055

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 17889984

約数和(自身を除く): 5081929

約数列:

[1, 5, 13, 17, 65, 67, 85, 173, 221, 335, 865, 871, 1105, 1139, 2249, 2941, 4355, 5695, 11245, 11591, 14705, 14807, 38233, 57955, 74035, 150683, 191165, 197047, 753415, 985235, 2561611, 12808055]

約数ペア:

[(1, 12808055), (5, 2561611), (13, 985235), (17, 753415), (65, 197047), (67, 191165), (85, 150683), (173, 74035), (221, 57955), (335, 38233), (865, 14807), (871, 14705), (1105, 11591), (1139, 11245), (2249, 5695), (2941, 4355)]