638082304

素因数分解:

$2^8\times {\mathrm{2492509}}^1$

素因数の和:2492525

約数の個数: 18

約数和(自身を含む): 1273672610

約数和(自身を除く): 635590306

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 2492509, 4985018, 9970036, 19940072, 39880144, 79760288, 159520576, 319041152, 638082304]

約数ペア:

[(1, 638082304), (2, 319041152), (4, 159520576), (8, 79760288), (16, 39880144), (32, 19940072), (64, 9970036), (128, 4985018), (256, 2492509)]