13378885

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 17708544

約数和(自身を除く): 4329659

約数列:

[1, 5, 13, 65, 71, 169, 223, 355, 845, 923, 1115, 2899, 4615, 11999, 14495, 15833, 37687, 59995, 79165, 188435, 205829, 1029145, 2675777, 13378885]

約数ペア:

[(1, 13378885), (5, 2675777), (13, 1029145), (65, 205829), (71, 188435), (169, 79165), (223, 59995), (355, 37687), (845, 15833), (923, 14495), (1115, 11999), (2899, 4615)]