12881408

素因数分解:

$2^9\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:338

約数の個数: 40

約数和(自身を含む): 26066040

約数和(自身を除く): 13184632

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 181, 256, 278, 362, 512, 556, 724, 1112, 1448, 2224, 2896, 4448, 5792, 8896, 11584, 17792, 23168, 25159, 35584, 46336, 50318, 71168, 92672, 100636, 201272, 402544, 805088, 1610176, 3220352, 6440704, 12881408]

約数ペア:

[(1, 12881408), (2, 6440704), (4, 3220352), (8, 1610176), (16, 805088), (32, 402544), (64, 201272), (128, 100636), (139, 92672), (181, 71168), (256, 50318), (278, 46336), (362, 35584), (512, 25159), (556, 23168), (724, 17792), (1112, 11584), (1448, 8896), (2224, 5792), (2896, 4448)]