28116286

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{223}}^1\times {\mathrm{521}}^1$

素因数の和:768

約数の個数: 24

約数和(自身を含む): 46654272

約数和(自身を除く): 18537986

約数列:

[1, 2, 11, 22, 121, 223, 242, 446, 521, 1042, 2453, 4906, 5731, 11462, 26983, 53966, 63041, 116183, 126082, 232366, 1278013, 2556026, 14058143, 28116286]

約数ペア:

[(1, 28116286), (2, 14058143), (11, 2556026), (22, 1278013), (121, 232366), (223, 126082), (242, 116183), (446, 63041), (521, 53966), (1042, 26983), (2453, 11462), (4906, 5731)]