81848182

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{20051}}^1$

素因数の和:20223

約数の個数: 16

約数和(自身を含む): 133065072

約数和(自身を除く): 51216890

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 20051, 40102, 260663, 521326, 3148007, 6296014, 40924091, 81848182]

約数ペア:

[(1, 81848182), (2, 40924091), (13, 6296014), (26, 3148007), (157, 521326), (314, 260663), (2041, 40102), (4082, 20051)]