68978845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 92671488

約数和(自身を除く): 23692643

約数列:

[1, 5, 13, 47, 65, 67, 235, 335, 337, 611, 871, 1685, 3055, 3149, 4355, 4381, 15745, 15839, 21905, 22579, 40937, 79195, 112895, 204685, 205907, 293527, 1029535, 1061213, 1467635, 5306065, 13795769, 68978845]

約数ペア:

[(1, 68978845), (5, 13795769), (13, 5306065), (47, 1467635), (65, 1061213), (67, 1029535), (235, 293527), (335, 205907), (337, 204685), (611, 112895), (871, 79195), (1685, 40937), (3055, 22579), (3149, 21905), (4355, 15839), (4381, 15745)]