128423666

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{150379}}^1$

素因数の和:150449

約数の個数: 16

約数和(自身を含む): 223765440

約数和(自身を除く): 95341774

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 150379, 300758, 1052653, 2105306, 9173119, 18346238, 64211833, 128423666]

約数ペア:

[(1, 128423666), (2, 64211833), (7, 18346238), (14, 9173119), (61, 2105306), (122, 1052653), (427, 300758), (854, 150379)]