140287679

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{7789}}^1$

素因数の和:7910

約数の個数: 16

約数和(自身を含む): 167516160

約数和(自身を除く): 27228481

約数列:

[1, 7, 31, 83, 217, 581, 2573, 7789, 18011, 54523, 241459, 646487, 1690213, 4525409, 20041097, 140287679]

約数ペア:

[(1, 140287679), (7, 20041097), (31, 4525409), (83, 1690213), (217, 646487), (581, 241459), (2573, 54523), (7789, 18011)]