128475304

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{391693}}^1$

素因数の和:391740

約数の個数: 16

約数和(自身を含む): 246767220

約数和(自身を除く): 118291916

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 391693, 783386, 1566772, 3133544, 16059413, 32118826, 64237652, 128475304]

約数ペア:

[(1, 128475304), (2, 64237652), (4, 32118826), (8, 16059413), (41, 3133544), (82, 1566772), (164, 783386), (328, 391693)]