257263488

素因数分解:

$2^7\times 3^2\times {\mathrm{223319}}^1$

素因数の和:223339

約数の個数: 48

約数和(自身を含む): 740305800

約数和(自身を除く): 483042312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 223319, 446638, 669957, 893276, 1339914, 1786552, 2009871, 2679828, 3573104, 4019742, 5359656, 7146208, 8039484, 10719312, 14292416, 16078968, 21438624, 28584832, 32157936, 42877248, 64315872, 85754496, 128631744, 257263488]

約数ペア:

[(1, 257263488), (2, 128631744), (3, 85754496), (4, 64315872), (6, 42877248), (8, 32157936), (9, 28584832), (12, 21438624), (16, 16078968), (18, 14292416), (24, 10719312), (32, 8039484), (36, 7146208), (48, 5359656), (64, 4019742), (72, 3573104), (96, 2679828), (128, 2009871), (144, 1786552), (192, 1339914), (288, 893276), (384, 669957), (576, 446638), (1152, 223319)]