28749245

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26497}}^1$

素因数の和:26540

約数の個数: 16

約数和(自身を含む): 40700928

約数和(自身を除く): 11951683

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 26497, 132485, 185479, 821407, 927395, 4107035, 5749849, 28749245]

約数ペア:

[(1, 28749245), (5, 5749849), (7, 4107035), (31, 927395), (35, 821407), (155, 185479), (217, 132485), (1085, 26497)]