130905128

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{399101}}^1$

素因数の和:399148

約数の個数: 16

約数和(自身を含む): 251434260

約数和(自身を除く): 120529132

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 399101, 798202, 1596404, 3192808, 16363141, 32726282, 65452564, 130905128]

約数ペア:

[(1, 130905128), (2, 65452564), (4, 32726282), (8, 16363141), (41, 3192808), (82, 1596404), (164, 798202), (328, 399101)]