28564294

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{18287}}^1$

素因数の和:18371

約数の個数: 16

約数和(自身を含む): 47402496

約数和(自身を除く): 18838202

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 18287, 36574, 201157, 402314, 1298377, 2596754, 14282147, 28564294]

約数ペア:

[(1, 28564294), (2, 14282147), (11, 2596754), (22, 1298377), (71, 402314), (142, 201157), (781, 36574), (1562, 18287)]