81293870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{7691}}^1$

素因数の和:7856

約数の個数: 32

約数和(自身を含む): 168362496

約数和(自身を除く): 87068626

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 151, 302, 755, 1057, 1510, 2114, 5285, 7691, 10570, 15382, 38455, 53837, 76910, 107674, 269185, 538370, 1161341, 2322682, 5806705, 8129387, 11613410, 16258774, 40646935, 81293870]

約数ペア:

[(1, 81293870), (2, 40646935), (5, 16258774), (7, 11613410), (10, 8129387), (14, 5806705), (35, 2322682), (70, 1161341), (151, 538370), (302, 269185), (755, 107674), (1057, 76910), (1510, 53837), (2114, 38455), (5285, 15382), (7691, 10570)]