28730254

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{929}}^1$

素因数の和:1032

約数の個数: 24

約数和(自身を含む): 50376240

約数和(自身を除く): 21645986

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 929, 1858, 2209, 4418, 6503, 13006, 15463, 30926, 43663, 87326, 305641, 611282, 2052161, 4104322, 14365127, 28730254]

約数ペア:

[(1, 28730254), (2, 14365127), (7, 4104322), (14, 2052161), (47, 611282), (94, 305641), (329, 87326), (658, 43663), (929, 30926), (1858, 15463), (2209, 13006), (4418, 6503)]