81189068

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{2251}}^1$

素因数の和:2453

約数の個数: 24

約数和(自身を含む): 145281024

約数和(自身を除く): 64091956

約数列:

[1, 2, 4, 71, 127, 142, 254, 284, 508, 2251, 4502, 9004, 9017, 18034, 36068, 159821, 285877, 319642, 571754, 639284, 1143508, 20297267, 40594534, 81189068]

約数ペア:

[(1, 81189068), (2, 40594534), (4, 20297267), (71, 1143508), (127, 639284), (142, 571754), (254, 319642), (284, 285877), (508, 159821), (2251, 36068), (4502, 18034), (9004, 9017)]