38121391

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 50872320

約数和(自身を除く): 12750929

約数列:

[1, 7, 11, 19, 71, 77, 133, 209, 367, 497, 781, 1349, 1463, 2569, 4037, 5467, 6973, 9443, 14839, 26057, 28259, 48811, 76703, 103873, 182399, 286627, 495083, 536921, 2006389, 3465581, 5445913, 38121391]

約数ペア:

[(1, 38121391), (7, 5445913), (11, 3465581), (19, 2006389), (71, 536921), (77, 495083), (133, 286627), (209, 182399), (367, 103873), (497, 76703), (781, 48811), (1349, 28259), (1463, 26057), (2569, 14839), (4037, 9443), (5467, 6973)]