28148744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8731}}^1$

素因数の和:8781

約数の個数: 32

約数和(自身を含む): 58679040

約数和(自身を除く): 30530296

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 8731, 17462, 34924, 69848, 113503, 227006, 270661, 454012, 541322, 908024, 1082644, 2165288, 3518593, 7037186, 14074372, 28148744]

約数ペア:

[(1, 28148744), (2, 14074372), (4, 7037186), (8, 3518593), (13, 2165288), (26, 1082644), (31, 908024), (52, 541322), (62, 454012), (104, 270661), (124, 227006), (248, 113503), (403, 69848), (806, 34924), (1612, 17462), (3224, 8731)]