257329488

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{412387}}^1$

素因数の和:412411

約数の個数: 40

約数和(自身を含む): 715905568

約数和(自身を除く): 458576080

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 412387, 824774, 1237161, 1649548, 2474322, 3299096, 4948644, 5361031, 6598192, 9897288, 10722062, 16083093, 19794576, 21444124, 32166186, 42888248, 64332372, 85776496, 128664744, 257329488]

約数ペア:

[(1, 257329488), (2, 128664744), (3, 85776496), (4, 64332372), (6, 42888248), (8, 32166186), (12, 21444124), (13, 19794576), (16, 16083093), (24, 10722062), (26, 9897288), (39, 6598192), (48, 5361031), (52, 4948644), (78, 3299096), (104, 2474322), (156, 1649548), (208, 1237161), (312, 824774), (624, 412387)]