128881356

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{77267}}^1$

素因数の和:77413

約数の個数: 24

約数和(自身を含む): 302890560

約数和(自身を除く): 174009204

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 77267, 154534, 231801, 309068, 463602, 927204, 10740113, 21480226, 32220339, 42960452, 64440678, 128881356]

約数ペア:

[(1, 128881356), (2, 64440678), (3, 42960452), (4, 32220339), (6, 21480226), (12, 10740113), (139, 927204), (278, 463602), (417, 309068), (556, 231801), (834, 154534), (1668, 77267)]