128920232

素因数分解:

$2^3\times 7^1\times {\mathrm{277}}^1\times {\mathrm{8311}}^1$

素因数の和:8601

約数の個数: 32

約数和(自身を含む): 277288320

約数和(自身を除く): 148368088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 277, 554, 1108, 1939, 2216, 3878, 7756, 8311, 15512, 16622, 33244, 58177, 66488, 116354, 232708, 465416, 2302147, 4604294, 9208588, 16115029, 18417176, 32230058, 64460116, 128920232]

約数ペア:

[(1, 128920232), (2, 64460116), (4, 32230058), (7, 18417176), (8, 16115029), (14, 9208588), (28, 4604294), (56, 2302147), (277, 465416), (554, 232708), (1108, 116354), (1939, 66488), (2216, 58177), (3878, 33244), (7756, 16622), (8311, 15512)]