257148

素因数分解:

$2^2\times 3^3\times {\mathrm{2381}}^1$

素因数の和:2394

約数の個数: 24

約数和(自身を含む): 666960

約数和(自身を除く): 409812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 2381, 4762, 7143, 9524, 14286, 21429, 28572, 42858, 64287, 85716, 128574, 257148]

約数ペア:

[(1, 257148), (2, 128574), (3, 85716), (4, 64287), (6, 42858), (9, 28572), (12, 21429), (18, 14286), (27, 9524), (36, 7143), (54, 4762), (108, 2381)]