28051226

素因数分解:

$2^1\times 7^3\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 49670400

約数和(自身を除く): 21619174

約数列:

[1, 2, 7, 14, 49, 98, 103, 206, 343, 397, 686, 721, 794, 1442, 2779, 5047, 5558, 10094, 19453, 35329, 38906, 40891, 70658, 81782, 136171, 272342, 286237, 572474, 2003659, 4007318, 14025613, 28051226]

約数ペア:

[(1, 28051226), (2, 14025613), (7, 4007318), (14, 2003659), (49, 572474), (98, 286237), (103, 272342), (206, 136171), (343, 81782), (397, 70658), (686, 40891), (721, 38906), (794, 35329), (1442, 19453), (2779, 10094), (5047, 5558)]