51513553

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 70326144

約数和(自身を除く): 18812591

約数列:

[1, 7, 13, 17, 49, 67, 71, 91, 119, 221, 469, 497, 637, 833, 871, 923, 1139, 1207, 1547, 3283, 3479, 4757, 6097, 6461, 7973, 8449, 10829, 14807, 15691, 33299, 42679, 45227, 55811, 59143, 61841, 80869, 103649, 109837, 233093, 432887, 566083, 725543, 768859, 1051297, 3030209, 3962581, 7359079, 51513553]

約数ペア:

[(1, 51513553), (7, 7359079), (13, 3962581), (17, 3030209), (49, 1051297), (67, 768859), (71, 725543), (91, 566083), (119, 432887), (221, 233093), (469, 109837), (497, 103649), (637, 80869), (833, 61841), (871, 59143), (923, 55811), (1139, 45227), (1207, 42679), (1547, 33299), (3283, 15691), (3479, 14807), (4757, 10829), (6097, 8449), (6461, 7973)]