28472185

素因数分解:

$5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{463}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 39989376

約数和(自身を除く): 11517191

約数列:

[1, 5, 7, 35, 49, 245, 251, 463, 1255, 1757, 2315, 3241, 8785, 12299, 16205, 22687, 61495, 113435, 116213, 581065, 813491, 4067455, 5694437, 28472185]

約数ペア:

[(1, 28472185), (5, 5694437), (7, 4067455), (35, 813491), (49, 581065), (245, 116213), (251, 113435), (463, 61495), (1255, 22687), (1757, 16205), (2315, 12299), (3241, 8785)]