28558868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2137}}^1$

素因数の和:2411

約数の個数: 24

約数和(自身を含む): 54057192

約数和(自身を除く): 25498324

約数列:

[1, 2, 4, 13, 26, 52, 257, 514, 1028, 2137, 3341, 4274, 6682, 8548, 13364, 27781, 55562, 111124, 549209, 1098418, 2196836, 7139717, 14279434, 28558868]

約数ペア:

[(1, 28558868), (2, 14279434), (4, 7139717), (13, 2196836), (26, 1098418), (52, 549209), (257, 111124), (514, 55562), (1028, 27781), (2137, 13364), (3341, 8548), (4274, 6682)]