128932208

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{196543}}^1$

素因数の和:196592

約数の個数: 20

約数和(自身を含む): 255900288

約数和(自身を除く): 126968080

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 196543, 393086, 786172, 1572344, 3144688, 8058263, 16116526, 32233052, 64466104, 128932208]

約数ペア:

[(1, 128932208), (2, 64466104), (4, 32233052), (8, 16116526), (16, 8058263), (41, 3144688), (82, 1572344), (164, 786172), (328, 393086), (656, 196543)]