51806209

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 67173120

約数和(自身を除く): 15366911

約数列:

[1, 7, 13, 29, 67, 91, 203, 293, 377, 469, 871, 1943, 2051, 2639, 3809, 6097, 8497, 13601, 19631, 25259, 26663, 59479, 110461, 137417, 176813, 255203, 569299, 773227, 1786421, 3985093, 7400887, 51806209]

約数ペア:

[(1, 51806209), (7, 7400887), (13, 3985093), (29, 1786421), (67, 773227), (91, 569299), (203, 255203), (293, 176813), (377, 137417), (469, 110461), (871, 59479), (1943, 26663), (2051, 25259), (2639, 19631), (3809, 13601), (6097, 8497)]