28720086

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{71443}}^1$

素因数の和:71515

約数の個数: 16

約数和(自身を含む): 58298304

約数和(自身を除く): 29578218

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 71443, 142886, 214329, 428658, 4786681, 9573362, 14360043, 28720086]

約数ペア:

[(1, 28720086), (2, 14360043), (3, 9573362), (6, 4786681), (67, 428658), (134, 214329), (201, 142886), (402, 71443)]