51388238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 86220288

約数和(自身を除く): 34832050

約数列:

[1, 2, 11, 22, 71, 142, 167, 197, 334, 394, 781, 1562, 1837, 2167, 3674, 4334, 11857, 13987, 23714, 27974, 32899, 65798, 130427, 153857, 260854, 307714, 361889, 723778, 2335829, 4671658, 25694119, 51388238]

約数ペア:

[(1, 51388238), (2, 25694119), (11, 4671658), (22, 2335829), (71, 723778), (142, 361889), (167, 307714), (197, 260854), (334, 153857), (394, 130427), (781, 65798), (1562, 32899), (1837, 27974), (2167, 23714), (3674, 13987), (4334, 11857)]