128427734

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1\times {\mathrm{1201}}^1$

素因数の和:1751

約数の個数: 16

約数和(自身を含む): 194781696

約数和(自身を除く): 66353962

約数列:

[1, 2, 127, 254, 421, 842, 1201, 2402, 53467, 106934, 152527, 305054, 505621, 1011242, 64213867, 128427734]

約数ペア:

[(1, 128427734), (2, 64213867), (127, 1011242), (254, 505621), (421, 305054), (842, 152527), (1201, 106934), (2402, 53467)]