28661185

素因数分解:

$5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{3881}}^1$

素因数の和:4104

約数の個数: 16

約数和(自身を含む): 39503232

約数和(自身を除く): 10842047

約数列:

[1, 5, 7, 35, 211, 1055, 1477, 3881, 7385, 19405, 27167, 135835, 818891, 4094455, 5732237, 28661185]

約数ペア:

[(1, 28661185), (5, 5732237), (7, 4094455), (35, 818891), (211, 135835), (1055, 27167), (1477, 19405), (3881, 7385)]