81290278

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{2281}}^1$

素因数の和:2559

約数の個数: 16

約数和(自身を含む): 123885216

約数和(自身を除く): 42594938

約数列:

[1, 2, 103, 173, 206, 346, 2281, 4562, 17819, 35638, 234943, 394613, 469886, 789226, 40645139, 81290278]

約数ペア:

[(1, 81290278), (2, 40645139), (103, 789226), (173, 469886), (206, 394613), (346, 234943), (2281, 35638), (4562, 17819)]