12978688

素因数分解:

$2^9\times {\mathrm{25349}}^1$

素因数の和:25367

約数の個数: 20

約数和(自身を含む): 25933050

約数和(自身を除く): 12954362

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 25349, 50698, 101396, 202792, 405584, 811168, 1622336, 3244672, 6489344, 12978688]

約数ペア:

[(1, 12978688), (2, 6489344), (4, 3244672), (8, 1622336), (16, 811168), (32, 405584), (64, 202792), (128, 101396), (256, 50698), (512, 25349)]