81559616

素因数分解:

$2^6\times {\mathrm{157}}^1\times {\mathrm{8117}}^1$

素因数の和:8286

約数の個数: 28

約数和(自身を含む): 162895788

約数和(自身を除く): 81336172

約数列:

[1, 2, 4, 8, 16, 32, 64, 157, 314, 628, 1256, 2512, 5024, 8117, 10048, 16234, 32468, 64936, 129872, 259744, 519488, 1274369, 2548738, 5097476, 10194952, 20389904, 40779808, 81559616]

約数ペア:

[(1, 81559616), (2, 40779808), (4, 20389904), (8, 10194952), (16, 5097476), (32, 2548738), (64, 1274369), (157, 519488), (314, 259744), (628, 129872), (1256, 64936), (2512, 32468), (5024, 16234), (8117, 10048)]