28702583

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 32

約数和(自身を含む): 37161600

約数和(自身を除く): 8459017

約数列:

[1, 7, 13, 41, 49, 91, 157, 287, 343, 533, 637, 1099, 2009, 2041, 3731, 4459, 6437, 7693, 14063, 14287, 26117, 45059, 53851, 83681, 100009, 182819, 315413, 585767, 700063, 2207891, 4100369, 28702583]

約数ペア:

[(1, 28702583), (7, 4100369), (13, 2207891), (41, 700063), (49, 585767), (91, 315413), (157, 182819), (287, 100009), (343, 83681), (533, 53851), (637, 45059), (1099, 26117), (2009, 14287), (2041, 14063), (3731, 7693), (4459, 6437)]