28686138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{367771}}^1$

素因数の和:367789

約数の個数: 16

約数和(自身を含む): 61785696

約数和(自身を除く): 33099558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 367771, 735542, 1103313, 2206626, 4781023, 9562046, 14343069, 28686138]

約数ペア:

[(1, 28686138), (2, 14343069), (3, 9562046), (6, 4781023), (13, 2206626), (26, 1103313), (39, 735542), (78, 367771)]