129533872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20089}}^1$

素因数の和:20141

約数の個数: 40

約数和(自身を含む): 279009920

約数和(自身を除く): 149476048

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 20089, 40178, 80356, 160712, 261157, 321424, 522314, 622759, 1044628, 1245518, 2089256, 2491036, 4178512, 4982072, 8095867, 9964144, 16191734, 32383468, 64766936, 129533872]

約数ペア:

[(1, 129533872), (2, 64766936), (4, 32383468), (8, 16191734), (13, 9964144), (16, 8095867), (26, 4982072), (31, 4178512), (52, 2491036), (62, 2089256), (104, 1245518), (124, 1044628), (208, 622759), (248, 522314), (403, 321424), (496, 261157), (806, 160712), (1612, 80356), (3224, 40178), (6448, 20089)]