12825995

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4027}}^1$

素因数の和:4059

約数の個数: 24

約数和(自身を含む): 19286064

約数和(自身を除く): 6460069

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 4027, 20135, 28189, 52351, 140945, 197323, 261755, 366457, 986615, 1832285, 2565199, 12825995]

約数ペア:

[(1, 12825995), (5, 2565199), (7, 1832285), (13, 986615), (35, 366457), (49, 261755), (65, 197323), (91, 140945), (245, 52351), (455, 28189), (637, 20135), (3185, 4027)]