139681115

素因数分解:

$5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{6869}}^1$

素因数の和:6971

約数の個数: 24

約数和(自身を含む): 197361360

約数和(自身を除く): 57680245

約数列:

[1, 5, 7, 35, 49, 83, 245, 415, 581, 2905, 4067, 6869, 20335, 34345, 48083, 240415, 336581, 570127, 1682905, 2850635, 3990889, 19954445, 27936223, 139681115]

約数ペア:

[(1, 139681115), (5, 27936223), (7, 19954445), (35, 3990889), (49, 2850635), (83, 1682905), (245, 570127), (415, 336581), (581, 240415), (2905, 48083), (4067, 34345), (6869, 20335)]