12826255

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 17102448

約数和(自身を除く): 4276193

約数列:

[1, 5, 13, 43, 65, 169, 215, 353, 559, 845, 1765, 2795, 4589, 7267, 15179, 22945, 36335, 59657, 75895, 197327, 298285, 986635, 2565251, 12826255]

約数ペア:

[(1, 12826255), (5, 2565251), (13, 986635), (43, 298285), (65, 197327), (169, 75895), (215, 59657), (353, 36335), (559, 22945), (845, 15179), (1765, 7267), (2795, 4589)]