12953395

素因数分解:

$5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:129

約数の個数: 40

約数和(自身を含む): 19763856

約数和(自身を除く): 6810461

約数列:

[1, 5, 7, 13, 35, 49, 65, 83, 91, 245, 343, 415, 455, 581, 637, 1079, 1715, 2401, 2905, 3185, 4067, 4459, 5395, 7553, 12005, 20335, 22295, 28469, 31213, 37765, 52871, 142345, 156065, 199283, 264355, 370097, 996415, 1850485, 2590679, 12953395]

約数ペア:

[(1, 12953395), (5, 2590679), (7, 1850485), (13, 996415), (35, 370097), (49, 264355), (65, 199283), (83, 156065), (91, 142345), (245, 52871), (343, 37765), (415, 31213), (455, 28469), (581, 22295), (637, 20335), (1079, 12005), (1715, 7553), (2401, 5395), (2905, 4459), (3185, 4067)]