71978683

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{811}}^1$

素因数の和:1258

約数の個数: 16

約数和(自身を含む): 85227520

約数和(自身を除く): 13248837

約数列:

[1, 7, 31, 217, 409, 811, 2863, 5677, 12679, 25141, 88753, 175987, 331699, 2321893, 10282669, 71978683]

約数ペア:

[(1, 71978683), (7, 10282669), (31, 2321893), (217, 331699), (409, 175987), (811, 88753), (2863, 25141), (5677, 12679)]