28556726

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{599}}^1$

素因数の和:820

約数の個数: 24

約数和(自身を含む): 47401200

約数和(自身を除く): 18844474

約数列:

[1, 2, 11, 22, 121, 197, 242, 394, 599, 1198, 2167, 4334, 6589, 13178, 23837, 47674, 72479, 118003, 144958, 236006, 1298033, 2596066, 14278363, 28556726]

約数ペア:

[(1, 28556726), (2, 14278363), (11, 2596066), (22, 1298033), (121, 236006), (197, 144958), (242, 118003), (394, 72479), (599, 47674), (1198, 23837), (2167, 13178), (4334, 6589)]