13246415

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4159}}^1$

素因数の和:4191

約数の個数: 24

約数和(自身を含む): 19918080

約数和(自身を除く): 6671665

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 4159, 20795, 29113, 54067, 145565, 203791, 270335, 378469, 1018955, 1892345, 2649283, 13246415]

約数ペア:

[(1, 13246415), (5, 2649283), (7, 1892345), (13, 1018955), (35, 378469), (49, 270335), (65, 203791), (91, 145565), (245, 54067), (455, 29113), (637, 20795), (3185, 4159)]