8640138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{110771}}^1$

素因数の和:110789

約数の個数: 16

約数和(自身を含む): 18609696

約数和(自身を除く): 9969558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 110771, 221542, 332313, 664626, 1440023, 2880046, 4320069, 8640138]

約数ペア:

[(1, 8640138), (2, 4320069), (3, 2880046), (6, 1440023), (13, 664626), (26, 332313), (39, 221542), (78, 110771)]