81636874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{100291}}^1$

素因数の和:100341

約数の個数: 16

約数和(自身を含む): 137199456

約数和(自身を除く): 55562582

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 100291, 200582, 1103201, 2206402, 3710767, 7421534, 40818437, 81636874]

約数ペア:

[(1, 81636874), (2, 40818437), (11, 7421534), (22, 3710767), (37, 2206402), (74, 1103201), (407, 200582), (814, 100291)]